Which lobes of the brain receive the input that enables you to feel someone scratching your back?

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false