The <em><u>MESOSPHERE </u></em>is the coldest layer and the hottest layer is <u><em>THERMOSPHERE </em></u> is the hottest layer in the atmosphere.
Answer:
I believe it is Hubble's law but I could be wrong
Hello,
An increase in pollution [could] lead to a decrease in <span>genetic variation in a population of tuna.
Faith xoxo</span>
Atomic mass is determined by the number of protons plus the number of neutrons
Here is what all 3 symbiotic relationships are: Parasitism is where one organism is benefited and the other is harmed. Commensalism one organism is benefited and the other one is not helped or harmed. Mutualism is were both organisms are benefited or both help each other. Easy ways to remember symbiotic relationships :)