Regardless of what direction an object is moving, the acceleration
due to gravity is always directed toward the center of the Earth.
That's the direction commonly known as "down".
The answer is archimedes principle
Hope this helps !?!!!!!!!!!!!!
When air<span> particles bunch up, it's </span>called<span> a compression-rarefaction.
When the </span>particles spread apart<span> its </span>called<span> a rarefaction.
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"It propagates in the form of compression and rarefactions" is the one statement among the following choices given in the question that is true about a <span>wave produced by a doorbell. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helps you. </span>
