What do humans add to their food?
nutrients Proteins Greenhouse gases pain gasoline Heat energy Energy. coal
A B C D E F G H
Many of foods that humans eat are cooked, recooked, and then warmed up.
humans add heat energy to their food
What do humans add to their food? (A) nutrients (B) Proteins (C) Greenhouse gases (D) pain (E) gasoline (F) Heat energy (G) Energy. (H) coal