The changing of the tides and the waves that you see on the sea shore.
Answer:
A. tornado
Explanation:
A spill and pollution are man-made and preventable. A natural disaster is neither of those.
Answer:
It is a concussion
Explanation:
it is a type of brain trauma that is really easy to get and stays with you for a long period of time .
Answer:
I believe that its A
Explanation: A. because you don't have teammates to help you when you make mistakes during a game.