Answer:
It's C I believe
Pls lemme know if it was right :)
The best and most correct answer among the choices provided by your question is the fourth choice or letter D "<span>The thin membrane that closes the cavity of the middle ear from the outside changes position."
</span>Your ears pop in airplanes<span> because the air high above the surface of Earth is less dense than air near the surface, because air near the surface has all the air above it pushing down. </span>Your inner ear has air trapped in it and as the atmospheric pressure changes, it causes pressure on your ear<span>drum.
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I hope my answer has come to your help. Thank you for posting your question here in Brainly.
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It was to help black slaves and poor white people in the south after the Civil War.
Answer:
Peppered moths get their color in lieu to become the fittest among all so that they can survive easily.
