Falling objects accelerate until they reach...

A falling object will continue to accelerate to higher speeds until they encounter an amount of air resistance that is equal to their weight.

Hope this helps!

gans

explanation:

vestigial organs (like your appendix) are organs that no longer serve a purpose.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )