Which term is used to describe a group of arctic foxes that live in part of Alaska’s Arctic National Wildlife Refuge?

Which sentence best expresses the differing opinions of these two book reviews?

What is the primary goal of human communities?

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.