Answer:d. allow water to cross the plasma membrane via facilitated diffusion
Explanation:yeah
Sun heat highly temperature. water was can vapor atmosphere
It’s negative because the small fish provide food for the bigger fish
They have longer periods of revolution.
Answer: it would block your airways to stop you from breathing
Explanation:
its easy just think if your noise was stuffy it would be hard to breath did a 6th grader really have to tell you that
