You have a friend who lost 7 kg (about 15 pounds) of fat on a regimen of strict diet and exercise. How did the fat leave her body?

AIt was released as CO₂ and H₂O.

BIt was converted to heat and then released.

CIt was converted to ATP, which weighs much less than fat.

DIt was broken down to amino acids and eliminated from the body.

EIt was converted to urine and eliminated from the body.