Turbines. Invented by Charles Parsons. I know I'm in middle school, but we are just learning about hydroelectric power.
Answer:
Go over to the panicked people and ask what happened.
Explanation:
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Sedimentary rocks form when new sediments are deposited on top of older rock
<span>True. A valid hypothesis must be testable and able to be verified or disputed empirically, because otherwise it is not a scientific hypothesis. A hypothesis that is not readily testable (for example, about a made up or fictional event) are not good hypotheses.</span>