RE Which activity is least likely to increase greenhouse gases in the atmosphere?
O using fertilizers on crops
O using non-chlorofluorocarbon refrigerants
running a gasoline-based generator
driving in a bus

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.