Answer:
Wind, water, tide and muscle - both animal and human - provided sources of energy that are still available to man and are still used to power simple machines in many parts of the world today.
Answer:
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Explanation:
Answer:
It would be very difficult because there are a lot of people in my middle school. It would be the hardest in P.E in my opinion, because you can't hear or see if there is a ball being thrown at you. You can get hurt.
Explanation: