I’m confused with these questions i was absent and now i’m lost can anyone me?

What materials must dams have to produce electricity, and what must occur?

Adescription of a type of bio biotechnology (genetic engineering, cloning, or artificial section) one benefit or one risk for the individual (based on whether you are for or against it) one benefit or one risk for society (based on whether you are for or against it) one benefit or one risk for the environment (based on whether you are for or against it)

Amino acids with hydrophobic r groups are most often found buried in the interior of folded proteins.true or false.