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2021-05-15

What are the risks associated with the use of DDT?

What are the risks associated with the use of DDT?

Following exposure to high doses, human symptoms can include vomiting, tremors or shakiness, and seizures. Laboratory animal studies showed effects on the liver and reproduction. DDT is considered a possible human carcinogen.

What is DDT quizlet?

dichloro-diphenyl-trichloroethane. INSECTICIDE. First was used in 1940s as…. -to combat malaria,typhus, and other insect-borne human diseases among military and civilian populations.

Why did the United States ban the use of DDT?

In 1972, EPA issued a cancellation order for DDT based on its adverse environmental effects, such as those to wildlife, as well as its potential human health risks. As a result, today, DDT is classified as a probable human carcinogen by U.S. and international authorities

Why was the use of DDT banned in the US Brainly?

DDT was used during second world war to control malaria among the troops and the civilians. Later, it was used as pesticide in agricultural and household practices. Due to its excessive use it entered into the food chain and its amount in the food crossed the permissible level. So, it was banned by United States

When was DDT banned in the United States Brainly?

1972

When was DDT banned in the United States the pesticide called DDT was banned in the United States in wrote a book called Silent Spring which acted as the catalyst of the modern environmental movement and led to the banning of DDT Brainly?

When was DDT banned in the United States the pesticide called DDT was banned in the United States in wrote a book called Silent Spring which acted as the catalyst of the modern environmental movement and led to the banning of DDT?

Beginning with the publication of Carson’s book, the public concern over DDT and scientific research of the 1960s finally culminated with the 1972 ban.

What diseases can DDT cause?

Liver cancer occurred in lab mice that were fed large amounts of DDT. Some studies in humans linked DDT levels in the body with breast cancer, but other studies have not made this link. Other studies in humans have linked exposure to DDT/DDE with having lymphoma, leukemia, and pancreatic cancer.

What could be the influence of DDT as reason for the decline of bird population?

High concentrations of DDT disturb calcium metabolism in birds , whish causes thinning of egg shell and their premature breaking, eventually causing decline in bird populations

What bird has fragile eggs due to DDT?

Eagles (including bald eagles), osprey, kestrels, California condors, hawks, falcons, and owls are raptors that experienced thin eggshells when they were exposed to DDT

Why did the presence of DDT affect the entire ecosystem and not just the predatory birds?

At each trophic level of the food chain, the amount of D.D.T. accumulating in the organisms’ tissues magnifies. Unfortunately for birds, many of their eggshells became weakened due to this pesticide and reproductive failure of the embryos occurred.

Who raised awareness about the effects of DDT on birds and human health?

Rachel Carson discovered problems with the insecticide DDT which included side effects for birds, such as thin egg shells, and it affected their nervous system causing them to almost, shiver. You just studied 17 terms!

What does DDT kill?

DDT is a remarkable molecule, since it kills a wide variety of insect pests, such as houseflies, body lice, mosquitoes, Colorado beetles, and gypsy moths.