It is important that your heart goes back to resting level because if it doesn't , it might overwork itself and destroy itself.<span />
Answer:
A
Explanation:
Channel and carrier proteins are both considered facilitated diffusion. We also know that materials do not like to go against the concentration gradient so we can eliminate B.
Answer Explanation:
Due to technical difficulties, the answer and explanation for this problem are available in the attached file.
I think it’s C but not precisely sure about it
Mass transit can help reduce air pollution in urban cities because there are fewer cars on the roads, creating less pollution.
