The Copernican model is considered to be the fundamental way that the Universe is arranged. O True
O False

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

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.

If a cell is placed into a hypertonic environment,what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge