Influenza (also known as flu) is a contagious respiratory illness caused by flu viruses. It can cause mild to severe illness, and at times can lead to death. Flu is different from a cold. Flu usually comes on suddenly.
I'm pretty sure it's D, because I had something like this last week. but I'm sorry if it's wrong..
They are both alike because they both begin with a series of reactions known as glycolysis
Cellular respiration needs oxygen and fermentation doesnt
A. Heat will not flow because there is no temperature difference between the substances.
