I believe the correct response is A. At higher elevations it would take less time to hard boil an egg, because there is less atmospheric pressure.
352.8
with this all you have to do is move the decimal point to the right 2 times.
Answer:

Explanation:
Hello!
In this case, by considering helium gas as an ideal one, we can use the following equation:

Whereas P should go in atmospheres and T in Kelvins; thus we proceed as follows:

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It's a physical change. A physical change is when an object can return back to it's previous state, etc. If it was a chemical change, the object would not be able to return back to it's previous shape, state or size, etc.