Answer:
The kinetic energy is transferred from the ball to the bumper. The bumper gives the same energy back and the ball eventually stops due to friction of the ground.
Explanation:
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A. Receive any blood type in moderate amounts except that with the rh antigen.
Answer:
lower
Explanation:
Enyzmes usually lower the activation energy required to start a chemical reacion. It's useful to remember enyzmes as compounds which help speeden up different chemical processes. They do this by decreasing the required activation energy and therefore increase the chance of a chemical reaction occuring.
Because the sun is really hot and we'd die if they weren't there