Asedimentary rock containing a fossilized sea shell had been found. what does this tell you about the area at the time the rock was formed? a. the area was under water. b. the area was cold. c. the area was muddy and wet. d. the area was hot and tropical.

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

Glucose is broken down in different ways, both in the presence and in the absence of oxygen. using the table for reference, what major products are formed in each reaction set?

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures