Answer:
A
Explanation:
Pollution is and can be poisonous to some environment and to organism. It also harms the thing in that environment.
Answer:
c
Explanation:
I believe it would be a preasure to have communication with every parent that your teaching!
During exercise, many chemical changes occur in the body, including a drop in blood ph, which can be very serious. how is the body able to cope with such changes?
The body is able to cope with such changes because the body's metabolism becomes more active, causing the body to require more oxygen (which leads you to breath faster and deeper)