I believe it C- the activity and your fitness level
Eustress= healthy stress
You are extremely nervous and start sweating while waiting in line for your name to be called to accept your high school diploma.
Crying over a math test
SO FUNNNN
<span>Why are phytoplankton are essential ??
As they form the basis of the marine food chain. <span>Phytoplankton is the main food source for everything from microscopic organisms to whales.</span></span>
Most infectious disease will be caused by one of four types of germs:
Bacteria – single-celled organisms that reproduce themselves, by themselves.
Virus – microorganisms that cannot reproduce themselves; they take over the cells they infect in order to reproduce and spread.
