B is the answer. Sharks need salt water to survive to make the breathing and blood pump through their bodies.
Answer:
Tubular re-absorption is the second major step in urine formation. Most of the re-absorption of solutes necessary for normal body function, such as amino acids, glucose, and salts, takes place in the proximal part of the tubule.
Explanation:
It should be 1830 or a possibility of 1850
It is the
A. DNA molecules need to unwind before replication being
Answer: D.
Explanation: Taking a look at the diagram it's super easy to see the branches on the near side of the cell, that reach out to other cells axons and their synapses.