The mesosphere is the coldest layer of the atmosphere.
Hope that helped you.
Answer:
NASA
Explanation:
the secret meeting was held by NASA
Heterotrophs hope this helps.
It is called a Punnett Square
Poor fitness can cause your heart to start disfunctioning, and not beating the way it should be. If an adult is not exercising often, they can end up having major heart problems that can affect the way they see their future.
