Why was the use of ddt banned in the us?

Health concerns such as cancer, birth defects, and reproductive difficulties were documented.

DDT bioaccumulates, causing the environment to become toxic to organisms in the area.

Health concerns such as cancer, birth defects, and reproductive difficulties were documented.  DDT bioaccumulates, causing the environment to become toxic to organisms in the area

Explanation:

Just took the test

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

not too sure but maybe in the hot springs.