It's a quick way to draw conclusion without taking a lot to elaborate
Answer:
A. to prevent the spread of malaria in tropical areas
Explanation:
Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. The United States banned the use of DDT in 1972, but some countries still use the chemical. DDT has also been used in the past for the treatment of lice. It is still in use outside the United States for the control of mosquitoes that spread malaria. DDT and its related chemicals persist for a long time in the environment and in animal tissues.
Answer:
could you explain what needs to be done please
if you do i can help
Explanation: