Pleases help me quick please I don't understand

You have been given the assignment of speaking about the affects of illegal drug use on youth in america. which of the following types of research is likely not to be necessary while preparing for your speech? a. a government website with statistics on convictions for possession among adolescents under the age of 18 b. a library book about the pharmaceutical drug industry in america c. a recent article from cnn.com about a special home for teenagers addicted to drugs d. a website that provides support for parents whose children are in rehab

How do i can change this sentence : a modern physician in a small town not only is proficient in general medicine but surgery as well. to parallel structure?

Which best compares the authors’ purposes in silent spring and “save the redwoods”? both authors want readers to protect human rights. both authors want readers to focus on saving trees. both authors intend to entertain readers with their essays. both authors intend to convince readers of their viewpoint.