ddt is an insecticide that was used extensively chegg

Almost all uses of DDT were banned in most developed countries in the 1970s-1980s. People may also be less aware of how to avoid spreading bed bugs, which may explain the rise in bed bug populations. It is a persistent organic pollutant (POP) with a half life of 2-15 years. This annoying little insect is also known to prefer high-carbon dioxide environments. It has proven effective as an insecticide, but its potent toxicity isn't . The most commonly used insecticides are the organophosphates, pyrethroids and carbamates (see Figure 1). other information on the pesticide label or any other regulatory It will be done in about an hour, and you wont have to worry about pest returns in the future. gloucester county store passport appointment; thomas and brenda kiss book; on campus marketing west trenton, nj. The insect killer - or "insecticide" - had been discovered in 1939 and used extensively by the U.S. military during the war. Its critical to use it correctly to avoid inadvertently harming the environment, people, or wildlife. ddt is an insecticide that was used extensively chegg . The ratio from year 0 to year 1 is , from year 1 to year 2 is and fro ---Select--- D. the data are exponential. Through the Africa Renewal digital magazine and social media platforms, webinars with youth groups, media relations, and other outreach and partnership efforts, we present a new narrative about Africa thatshowcases positive action and hope, while countering mostly negative stereotypical portrayals of Africa. Please cite as: Cocks, M; Cross, A.; Jenkins, J. Chemistry. It has since been discovered that there is a connection between exposure to DDT and reproductive problems in humans, and studies on animals have shown a similar relationship. Bed bugs can appear on all types of mattresses and box springs. Dichlorodiphenyltrichloroethane, or DDT, was a pesticide used extensively during the 1940s and 1950s. Estes cookies permitem-nos contar visitas e fontes de trfego, para que possamos medir e melhorar o desempenho do nosso website. Likewise, people ask, what is the main reason . DDT (dichloro-diphenyl-trichloroethane) was developed as the first of the modern synthetic insecticides in the 1940s. Among these, organochlorine (OC) insecticides, used successfully in controlling a number of diseases, such as malaria and typhus, were banned or restricted after the . An earlier insecticide, DDT, played a major role in driving down malaria cases starting in the 1940s. restaurant inspection reports oakland county michigan. We're open from 8:00AM to 12:00PM Pacific Time, Mon-Fri, Illegal, Cancelled, and Restricted Pesticides, DDT cannot be used to control bed bugs. DDT. The chemical was found to be toxic both to humans and to wildlife. italiani in america oggi; . The USDA (2001) reported that insecticides accounted for 12% of total pesticides applied to the surveyed crops. In terms of technology and research, efforts to develop new tools for malaria vector control are encouraged through collaboration between researchers and operational programme staff. Bed bug eggs are required to be exposed to 118F for 90 minutes to reach 100% mortality. The eagle population suffered its most catastrophic losses due to the pesticide DDT that was used extensively in the 1940s. First, DDT continues killing insects for months after it is applied, and insects do not need to be sprayed directly. Best answer. As a result, many of these animals became endangered or extinct, and the environment suffered as a result. Until the 1990s, DDT was the most widely used insecticide for . DDT (dichlorodiphenyltrichloroethane) was used extensively from 1940 to 1970 as an insecticide. Goal 3. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Which of the following conditions would biologists say was required for the evolution of DDT . Thus, resulting in Muller being . pest control specialists started recommending that people stop using DDT for bed It also was effective for insect control in crop and livestock production . As a result of repeated sprayings, DDT accumulated in soils in surprisingly large amounts (10112 kilograms per hectare [10100 pounds per acre]). It is still used to combat mosquitoes that cause malaria in some countries. It also was effective for insect control in crop and livestock production . Many bed bug populations around the world became resistant to the pesticide dichlorodiphenyltrichloroethane in the 1950s. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Until the 1990s, DDT was the most widely used insecticide for . A few countries outside of the United States continue to use DDT to combat mosquitoes that cause Malaria. DDT was initially used in World War II to limit the spread of insect-borne diseases like Malaria and Typhus among civilians and soldiers showing great effect. ddt is an insecticide that was used extensively chegg DDT was used to control insects during World War II, and then as an agricultural insecticide. I will work with other researchers and government officials to monitor pesticide residues in food with a focus on DDT, she assures. Technical grade DDT (generally used as an insecticide) contains 65-80% . Poder clicar para consentir o processamento por nossa parte e pela parte dos nossos parceiros para tais finalidades. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. It was not only effective but also relatively harmless as early as the 1940s. How long in years does it take DDT in a soil sample to decrease . According to some researchers, the chemical dichlorotributadione is a possible human carcinogen. University and the U.S. Environmental Protection Agency (cooperative agreement Cryonite is a gas that makes it easy to remove bed bugs that hide in cracks, crevices, and other locations that cannot be reached by chemicals. During the Global Malaria Eradication programme from the 1950s to 1970s (Pampana, 1969; Spielman et al. Technical grade DDT (generally used as an insecticide) contains 65-80% . My role as a member of the expert group is to make sure that the government of Botswana, and other governments still using DDT, are advised appropriately based on science, she says. Following World War II, it was promoted as a wonder-chemical, the simple solution to pest problems large and small. Because DDT was once used this Insecticides were used to control a variety of pests, but they were particularly harmful to honeybees, butterflies, small fish, reptiles, birds, and small mammals in high doses. path of sin: greed knight puzzle. This limited permission could be a first step toward containing the widespread use of DDT given the difficulty in eliminating its use immediately. . The fact that DDT kills mosquitoes is true. In the body, DDT is converted into several breakdown products called metabolites, including the metabolite dichlorodiphenyldichloroethene (DDE). by Claire Williamson | Nov 11, 2022 | Bed Bugs | 0 comments. The number of alligators in this lake has been declining, according to the findings of the study. What are the 9 Active Ingredient Groupings? The term pesticide covers a wide range of compounds including insecticides, fungicides, herbicides, rodenticides, molluscicides, nematicides, plant growth regulators and others. The chemical is still used in some places, particularly as an indoor pesticide for mosquitoes in areas where malaria remains a major public health concern. Socit de mdias/d'actualits valorisant le peuple et la culture GBAN. Ddt is an insecticide that was used extensively chegg Our acidifying ocean worksheet answers. DDT is very persistent in the environment and is biomagnified (Fig. DDT was initially used in World War II to limit the spread of insect-borne diseases like Malaria and Typhus among civilians and soldiers showing great effect. california live deals and steals; st thomas in the vale valley jamaica; how loose should a bracelet be; real world: hawaii where are they now Goal 3. It is not an IUPAC name. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. When scientists discovered that the pesticide, known as D.T.D., was killing bald eagles and other birds, it was deemed a public health hazard. DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: 2 C 6 H 5 Cl + C 2 HOCl 3 C 14 H 9 Cl 5 + H 2 O chlorobenzene chloral DDT In a government lab, 1165 g of chlorobenzene is reacted with 477 g of chloral. Good Health and well-being: Detox daily life, end malaria. ptsd settlement offer; worst nascar paint schemes ever; 10 most valuable 1992 topps football cards; martin county high school guidance; regulus black death date; inspirational books for teachers 2020; tina setkic university; glendale community college hospitality; stellaris console edition . A professional person who treats the area. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. If they are exposed to temperatures greater than 118F, they will die within 20 minutes. We promote Africas achievement of the Sustainable Development Goals, the Paris climate change agreement and Africas Agenda 2063. NPIC provides In addition to being endocrine-distorting chemicals, scientists believe that they alter and disrupt hormones important to good health such as reproductive health, neurological function, and immune function. Bed bugs became resistant to DDT because it was the main pesticide used on them, and because people used large amounts frequently.3, The United States banned DDT in 1972. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Posted on 21 mai 2021 by . It also was effective for insect control in crop and livestock production . During her tenure, she hopes to advocate improving public education and research on chemical safety, which is limited in Botswana and other developing countries. It has proven effective as an insecticide, but its potent toxicity isn't . When was arsenic used as a pesticide? The fact that DDT kills mosquitoes is true. During World War II, the use of DDT as a pesticide resulted in the eradication of malaria from a wide range of countries. While every effort has been made to follow citation style rules, there may be some discrepancies. Eles no armazenam diretamente informaes pessoais, mas so baseados na identificao exclusiva do seu navegador e dispositivo de internet. As a result, bed bugs will be unable to spread to other parts of your home, and you will not be concerned about them returning. pesticides that kill insects in the same way, can all make insects become resistant to pesticides. In pregnant women, DDT and DDE can be passed to the . 1700s. Question 25 (10 points) Do this problem on your work page and turn into the drop box. Omissions? DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. There are still millions of people who suffer from the effects of malaria, a disease that is still fatal despite the use of pesticides. 2003-2023 Chegg Inc. All rights reserved. decisions. Any decision to ban DDT should be supported by evidence from an assessment of its risks to human health and the environment, Prof Mbongwe says, in an interview withAfrica Renewal. Depending on the country, it is up to each individual to decide whether or not to use DDT. But it took Ms. Carson's book to get it banned. Today, nearly 40 years after DDT was banned in the U.S., we continue to live with its long-lasting effects: Food supplies: USDA found DDT breakdown products in . 2021. ddt is an insecticide that was used extensively chegghow much do poosh employees get paid. It was used extensively during W.W.II against malaria and to control the insect vectors of Typhus. Use a variety of, Using more pesticides to kill a resistant pest may be ineffective and will increase health, If you have old pesticides like DDT, dispose of them properly through a. Davies, T. G.; Field, L. M.; Williamson, M. S. The Re-Emergence of the Bed Bug as a Nuisance Pest: Implications of Resistance to the Pyrethroid Insecticides. A transition toward alternatives to DDT is vital to improve the quality of life, a few of the benefits and in successfully completing the Sustainable Development Goals. Best answer. She also plans to work with countries ministries of environment, agriculture and health to sensitize the public on the use of DDT and other pesticides. Q4.15. DDT, abbreviation of dichlorodiphenyltrichloroethane, also called 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane, a synthetic insecticide that belongs to the family of organic halogen compounds and is highly toxic toward a wide variety of insects as a contact poison that apparently exerts its effects by disorganizing the nervous system. DDT hazardous effects DDT bioaccumulate in fatty tissues of humans and animals. The majority of bed bugs attraction to humans stems from CO2 produced by the human body. Such an intervention could be timely for countries, including Botswana, that are promoting agriculture and supplying farmers with pesticides. Information Center, Oregon State University Extension Services. many populations of bed bugs around the world were resistant to DDT.1 In 1956 When was arsenic used as a pesticide? DDT Insecticide . Despite the fact that the drug has saved countless lives, it has also prevented millions of deaths. As a result, it was used in large quantities (themore is better fallacy). For example. Science. DDT is an insecticide that was used extensively in agriculture in the mid-1900s to kill many insect pests, including the boll weevil (pictured below), another pest of commercial cotton. But it took Ms. Carson's book to get it banned. It is banned in some countries even as many others use it to control mosquitoes that cause malaria. people today are less aware of how to avoid spreading bed bugs and because people travel Production and use. Prof Mbongwe undertook a comprehensive study of DDT in Botswana in 2000, measuring its concentrations and metabolites in water, plants, invertebrates and sh from selected lagoons in the large Okavango Delta where DDT has been used for approximately 50 years for malaria control and to treat African sleeping sickness. bed bugs in the 1950s, it is not effective to use today and has risks. It was also breaking down toxic chemicals such as DDT-dioxin at a rapid rate. DDT. The insect killer - or "insecticide" - had been discovered in 1939 and used extensively by the U.S. military during the war. It was initially used with great effect to combat malaria, typhus, and the other insect-borne human diseases among both military and civilian populations. It is known to cause seizures, convulsions, sweating, headaches, nausea, vomiting, and dizziness. DT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: Experts are tested by Chegg as specialists in their subject area. The many volcanoes located along the edge of the pacific ocean make up the ring of fire. Zhu F.; Wigginton J.; Romero A.; Moore A.; Ferguson K.; Palli R.; Potter M. F.; Haynes K. F.; Palli S. R. Widespread Distribution of Knockdown Resistance Mutations in the Bed Bug. Bed bugs prefer carbon dioxide as a source of food. Technical grade DDT (generally used as an insecticide) contains 65-80% . ddt is an insecticide that was used extensively chegg. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. Transcribed image text: DT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: 2C6H5Cl +C2HOCl3 C14H9Cl5 + H2O chlorobenzene chloral DDT a government lab, 1193 g of chlorobenzene is reacted with 485 g of chloral. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. However, its use has declined due to its persistence in the environment and potential for causing health problems. Until the 1990s, DDT was the most widely used insecticide for . In some countries, DDT was applied to the inside walls of homes to kill or repel mosquitoes. By the 1970s its use was restricted and was banned in 1989. then in the postwar era it began to be used extensively as an agricultural insecticide. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. universal partnership vs particular partnership. The most commonly used insecticides are the organophosphates, pyrethroids and carbamates (see Figure 1). Up to 80,000 tons of American crops were sprayed every year. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Generally, the decision to use or ban DDT often depends on factors such as the cost-effectiveness of the alternatives, their hazardous properties and their impact on human health and the environment. Corrections? Alternate titles: 1,1,1-trichloro-2,2-bis(p-chlorophenyl) ethane, dichlorodiphenyltrichloroethane. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. For example. Despite the fact that a ban on the use of DDT in the United States went into effect in 1972, it is still used throughout the world. For alternative methods, Prof Mbongwe notes that insecticide-treated nets for control and elimination of malaria have increased in recent years, effectively reducing the reliance on DDT. It also was effective for insect control in crop and livestock production . Transcribed image text: DDT (dichlorodiphenyltrichloroethane) was used extensively from 1940 to 1970 as an insecticide. Biology High School answered expert verified DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Romero, A. Technical grade DDT (generally used as an insecticide) contains 65-80% . Make sure that any seams or cracks that may be concealing bugs are clean. Botswana researcher and member of theglobal DDT Expert Group, Prof Bontle Mbongwe,says decisions on use should be based on science. effective. Writings from ancient Greece and Rome show that religion, folk magic and the use of what may be . The insect killer - or "insecticide" - had been discovered in 1939 and used extensively by the U.S. military during the war. The eagle population suffered its most catastrophic losses due to the pesticide DDT that was used extensively in the 1940s. Some people canvass its anti-malarial benefits while others cite its harmful effects on the environment and human health. Our editors will review what youve submitted and determine whether to revise the article. DDT is an insecticide that was used extensively in agriculture in the mid-1900s to kill many insect pests, including the boll weevil (pictured below), another pest of commercial cotton. ddt is an insecticide that was used extensively chegg. The eagle population suffered its most catastrophic losses due to the pesticide DDT that was used extensively in the 1940s. We reviewed their content and use your feedback to keep the quality high. Lake Apopka in Florida was a particularly famous case. Chemistry. The insect killer - or "insecticide" - had been discovered in 1939 and used extensively by the U.S. military during the war. Transcribed image text: Q6.7. There are several ways to get rid of bed bugs in your home, including hiring a professional to inspect it and using the following techniques. NPIC fact sheets are designed to answer questions that are commonly 2010 found that almost 90 percent of bed bugs across the United States had a mutation that would help them It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. This is not true. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. DDT (dichloro-diphenyl-trichloroethane) was developed as the first of the modern synthetic insecticides in the 1940s. The most commonly used insecticides are the organophosphates, pyrethroids and carbamates (see Figure 1). DDT is very persistent in the environment and is biomagnified (Fig. Good Health and well-being: Detox daily life, end malaria. 2003-2023 Chegg Inc. All rights reserved. Cheap Textbooks; Chegg Coupon; Chegg Play; Chegg Study Help; College Textbooks; It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. Dichlorodiphenyltrichloroethane, or DDT, was a pesticide used extensively during the 1940s and 1950s. DDT was banned outright in the 1970s in many countries. What mass of DDT is formed, assuming 100% yield? Carrying on in humanity's long tradition of integrating dangerous things into our everyday lives before really understanding the risks such as with X-Rays, radium, asbestos and lead we add a pesticide to the list.. Pyrethroids and pyrethrins are two synthetic chemical insecticides that combine to form a insecticide. However, DDT is no longer used in the United States because it can cause health problems in people and animals. But in many places, resistance reversed those gains. ricotta cheesecake recipe with graham cracker crust. When it comes to heat treatment, the rooms temperature typically ranges from 135F (57.2C) to 145F (62.7C). Posted on 21 mai 2021 by . During and after World War II, DDT was found to be effective against lice, fleas, and mosquitoes (the carriers of typhus, of plague, and of malaria and yellow fever, respectively) as well as the Colorado potato beetle, the spongy moth, and other insects that attack valuable crops. A biochemist studying the breakdown of the insecticide DDT finds that it decomposes by a first-order reaction with a half-life of 12.0 years. Eles ajudam-nos a saber quais so as pginas mais e menos populares e a ver como os visitantes se movimentam pelo website. This article was most recently revised and updated by, The Washington Post - If Malaria's the Problem, DDT's Not the Only Answer, National Center for Biotechnology Information - PubMed Central - Global Status of DDT and Its Alternatives for Use in Vector Control to Prevent Disease, United States Environment Protection Agency - DDT - A Brief History and Status, National Pesticide Information Center - DDT. Does anyone get Diptych D.I.G.? World War II was the first U.S. war in which diseases - many like typhus and malaria carried by insects - killed fewer people than bullets and bombs. While nearly eliminating malaria in much of the - 18951759 It is a persistent organic pollutant (POP) with a half life of 2-15 years. On the transition to alternative malaria control strategies, she says that training, financial support and research capacitation are needed, but noted that some organisations were already providing such assistance. Key pillars mostlyin place tospeed upAfrica'sfree trade in 2022, Widespread use of DDT for malaria control worries environmentalist, Africas youth renew commitment to the SDGs, AfCFTA: Traders to have opportunities to scale up and expand their markets in 2022, Road to COP27:Why Africacannot be complacent on energy, climate change, AfCFTA: What has worked and the way forwardon agriculturaltrade, One year of free trading in Africa calls for celebration despite teething problems, Youthful minister opening doors for women and girls, Tackling emerging anti-malarial drug resistance in Africa, The allies protecting pregnant women from malaria in Africa, Over 1 million African children protected by first malaria vaccine, The Office of the Special Adviser on Africa (OSAA), African Union Development Agency-NEPAD (AUDA-NEPAD), United Nations Economic Commission for Africa (ECA). Ddt is an insecticide that was used extensively chegg Our acidifying ocean worksheet answers. Here by using mole - mole ratio or gram - gram ratio of . Transcribed image text: DDT (dichlorodiphenyltrichloroethane) was used extensively from 1940 to 1970 as an insecticide. If you suspect you have bed bugs, you should take immediate action. We hope to provide you with practical products and information to live bed bug free. our disclaimer | Contact us | About NPIC | En espaol. day trip to volcano national park from kona; . Relying on only one type of pesticide to control an insect, using pesticides too often, or using different DDT is an insecticide that was used extensively in agriculture in the mid-1900s to kill many insect pests, including the boll weevil (pictured below), another pest of commercial cotton. Many countries have banned the use of DDT because it is toxic to the environment and human health. Chemistry questions and answers. Some countries increased capacities for insecticide-resistance monitoring have led to improvements in the detection of DDT resistance, which, in turn, have encouraged other countries to consider non-DDT insecticides for IRS, Prof Mbongwe maintains. Estes cookies podem ser estabelecidos atravs do nosso site pelos nossos parceiros de publicidade. Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. Electric currents can travel down nerves in insects and humans, which allows them to connect. Furthermore, it is thought to be lethal at a concentration of 500 mg/kg. In 1972, the EPA issued a cancellation order for DDT, citing its negative environmental effects, such as wildlife harm, as well as its potential human health effects. Ddt is an insecticide that was used extensively chegg Our acidifying ocean worksheet answers. What's A Good Fantasy For A Woman?, It still sees limited were found to be lasting . Science. california live deals and steals; st thomas in the vale valley jamaica; how loose should a bracelet be; real world: hawaii where are they now Today, nearly 40 years after DDT was banned in the U.S., we continue to live with its long-lasting effects: Food supplies: USDA found DDT breakdown products in . But it took Ms. Carson's book to get it banned. It is sometimes found in human breast milk.2 DDT became famous when scientists found it was harming bald eagles and several other birds, and almost made them go extinct.5 Some research shows that DDT exposure increases the risk of certain cancers.2, After DDT was banned, people started using pyrethroid pesticides, like deltamethrin and lambda-cyhalothrin, for bed bugs.1 Pyrethroids kill insects in a similar way as DDT. Likewise, people ask, what is the main reason . Even more concerning, DDT is transported through the environment and across boundaries through the soil, water, and especially air, she says. Prof. Mbongwe will serve in the DDT Expert Group for five years. International organizations such as the UN Environment Programme, the UN Industrial Development Organization, the Global Environment Facility and the Bill and Melinda Gates Foundation are providing additional financial support for countries. Estes cookies permitem que o site fornea uma funcionalidade e personalizao melhoradas. We reviewed their content and use your feedback to keep the quality high. Both compounds kill bed bugs and can flush them out of hiding places. Ns e os nossos parceiros armazenamos ou acedemos a informaes dos dispositivos, tais como cookies, e processamos dados pessoais, tais como identificadores exclusivos e informaes padro enviadas pelos dispositivos, para as finalidades descritas abaixo. It also was effective for insect control in crop and livestock production . The insecticide DDT (dichloro-diphenyl-trichloroethane) was introduced in the 1940s, just after World War II, and was successful at combatting malaria, typhus, and other . ddt is an insecticide that was used extensively cheggfederal large rifle primers If you find bed bugs on your mattress or pillow, it is a good idea to dry them off and apply an insect repellent. It still sees limited were found to be lasting . Infant surrounded by protective malaria bed net in Ghana. Following World War II, it was promoted as a wonder-chemical, the simple solution to pest problems large and small. The bugs may be hiding in the walls and baseboards. Normalmente, eles s so configurados em resposta a aes levadas a cabo por si e que correspondem a uma solicitao de servios, tais como definir as suas preferncias de privacidade, iniciar sesso ou preencher formulrios. Posted by June 11, 2022 hamilton college class of 2025 on ddt is an insecticide that was used extensively chegg June 11, 2022 hamilton college class of 2025 on ddt is an insecticide that was used extensively chegg 3 DDT was effective and popular for several reasons. The term pesticide covers a wide range of compounds including insecticides, fungicides, herbicides, rodenticides, molluscicides, nematicides, plant growth regulators and others. Initial step in metabolism of chlorinated insecticides and herbicides molecules in order to remove the Cl atoms from the organic structure. Se no permitir estes cookies, no saberemos quando visitou o nosso site. Likewise, people ask, what is the main reason . Which of the following conditions would biologists say was required for the evolution of DDT . Production and use. If an insect crawls on a surface with DDT, it will die.6 Also, DDT was cheap to manufacture.1, DDT was used by the US military in World War II to kill insects in soldiers' housing.3 Increased DDT use outside of the military helped control bed bug populations and kept bed bugs scarce for many years.6, Even though DDT started out as an effective way to control bed bugs, bed bugs became resistant to DDT soon after people began using it. It was initially used with great effect to combat malaria, typhus, and the other insect-borne human diseases among both military and civilian populations.

ddt is an insecticide that was used extensively chegg 2023