How many protons neutrons and electrons does cl^- have

Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.

Asap. this question is 100 points if you answer it question: describe the basic relationship between ocean depth and temperature seen in the graph

What are they five steps of cloning?