The eardrum (or tympanic membrane) works by taking in vibrations in the air, which causes the membrane itself to vibrate. These vibrations are transmitted through the three bones of the middle ear to the cochlea in the inner ear, which causes ripples in the fluids inside the cochlea which are registered as 'sounds'.
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Stretching. The earth stretches which causes it to become thinner
Shearing. The earth rubs together which causes it to move like a earthquake
Folding. The earth’s crust will become thicker
Answer:
The depth (distance from top to bottom) of the atmosphere is greatest at sea level and decreases at higher altitudes. With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude.
Explanation:
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Got it from flexbooks.ck12.org
