Answer by JKismyhusbandbae: Repeated drug use may lead to drug tolerance which occurs when a user requires larger amounts of the drug to achieve the desired effect.
The nervous system consist of the brain, spinal cord and nerve fibers. Exercise Improves the brain
The answer is ophthalmologist
Drug addiction is a chronic, relapsing illness.
I hope this helps. (^_^)
Answer:
I think it's A.
Explanation:
It contains significant amounts of valuable metals such as mercury, cadmium, and lead that can be harvested and sold.