In the chemical formula below: 4 C2 H5F + 13 O2 _> 8C O2 + 10 H2 O + 2 F2

How many molecules are on the reactants side of the chemical formula?

A.17

B.20

C.4

D.13

Two critical interventions to turn around the opioid crises are:

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

Which of the following molecules can be broken down into simple sugars? a. nucleic acid b. protein c. lipid d. carbohydrate