I think the answer is C but i am sorry if i am wrong i took this test but i am pretty sure it is C have a good day and good luck on the test
Answer:
Carbon source.
Explanation:
The ocean is storing carbon, it is a carbon source.
It's storing the carbon until it's needed in the carbon cycle.
The structure of the glomerular capillaries contributes to the formation of filtrate because the walls of the capillaries are much more permeable to water and small solutes than other capillaries. A tuft of capillaries situated within a Bowman's capsule at the end of a renal tubule in the vertebrate kidney that filters waste products from the blood and thus initiates urine formation.
Igneous rock?? sorry if this is wrong