Select the correct answer from each drop-down menu.
Carbohydrates are the primary source of energy for the human body.
for energy production. If
If your body lacks enzymes that break down carbohydrates, it would be unable to get
you lacked the enzyme to digest proteins, you may not absorb enough

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

the answer is c. it will give up it's valence electron to the other atom.

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it