I believe its air pressure but im not sure
Answer:
When two hydrogens and an oxygen share electrons via covalent bonds, a water molecule is formed. An example of a simple chemical reaction is the breaking down of hydrogen peroxide molecules, each of which consists of two hydrogen atoms bonded to two oxygen atoms (H2O2).
Explanation:
Not the Answer:
The answer was not the brand of the shovel and where it is sold.
Explanation:
That was not the answer. The only reason I say this is so that others don't make the same mistake.
I think the answer to this question is C. <span>phagocytes engulf and destroy pathogens </span>