Answer:
A
Explanation:
Pollution is and can be poisonous to some environment and to organism. It also harms the thing in that environment.
To hear heart rate............
Medulla Oblongata
The lower part of the brain stem ( the part connected to the spinal cord) controls most of the functions you dont think about.<span />
That means they could've cheated or broke up and if they don't reply to you in a while just move on and say I want to break up with you because that's sketchy stuff
