Question

1. you just purchased a new cell phone. why is it a bad idea to throw the old one in the trash? a) it contains radioactive elements b) it contains heavy metals c) it contains pcbs d) it contains plastic

Explanation:

Old cell - phones contain heavy metals such as lead, mercury, and cadmium which are harmful to the environment and human health if not disposed of properly. They are not radioactive, and while they have plastic and PCBs, the main concern for improper disposal is the heavy - metal content.

Answer:

b) It contains heavy metals