The abbreviation that represents a volume unit is
a. cm3.
b. mg.
c. mm.
d. cm.

The abbreviation that represents a volume unit is cm3 (as long as that is supposed to be cm^3)

Atp, shorthand for adenosine triphosphate, is the standard molecule for cellular enger in the human body. all motion and metabolic  processes  within the body begins with energy that is released from  atp, as its phosphate bonds are broken in cells through a  process  called hydrolysis.

Answer(d) unstable compounds that convert to acetals in the presence of alcohol and an acid; (b) semiacetals produced by alcohol subtraction from ketone;