A _____ is a gas-filled sac that regulates buoyancy and depth.
1 answer:
Swim bladder I believe
Hope this helps
You might be interested in
C.
It is d, becuase you divide 500 by 15, and that is the closest answer
2 with D and 1 with E and
The answer is <span>Reuptake.
Have a nice day :-)</span>
The atmosphere
Is not a reservoir for phosphorus.
B natural changes allow for greater biodiversity