Explanation:
Mitochondria is called the 'power house' because It is the site for respiration. It is also responsible for conversation of food to usable energy.
Answer: the Time that is required is called a period
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Answer:
Explanation:
In space, rockets zoom around with no air to push against. ... When a rocket shoots fuel out one end, this propels the rocket forward — no air is required. NASA says this principle is easy to observe on Earth. If you stand on a skateboard and throw a bowling ball forward, that force will push you and the skateboard back.
