The eardrum is a thin flap of skin that is stretched tight like a drum and vibrates when sound hits it.
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Answer:
Alfred Lothar Wegener was a German polar researcher, geophysicist and meteorologist. During his lifetime he was primarily known for his achievements in meteorology and as a pioneer of polar research.
Answer:
Because of their brightness, how big they are, and how many their are
Explanation:
<span>True. Smooth muscle comes next and striated muscle is last.</span>
