Definition: this is a change in the genetic makeup of a population or species over time. answer is ( evolution)

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.

Nkentucky, intoxicating beverages (beer, whiskey, wine, etc.) are involved to some extent in approximately % of collisions fatal to pedestrians.

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen