Q: If chemical changes can be used to kill existing microorganisms in the food, then what can be used to kill existing microorganisms in food? Answer choices: - chemical changes - Dehydration - deoxyribonucleic acid - bacteria - an electron microscope - hydration - electromagnetic energy - single-celled organisms
A: chemical changes

Q: If an animal acts on instincts to stay alive and warmth is one of them, then what is one instinct that animals use to stay alive? Answer choices: - motility - Warmth - stability - Cold - Territory - toughness - Peace - hormones
A: Warmth

Q: If melting rocks forms magma, then what do igneous rocks form into when heated? Answer choices: - magma - matter - crust - soils - rocks - alveoli - coal - mines
A: magma

Q: If some viruses live in an inactive state inside the body, then some viruses do not affect the host and live in what kind of state in the body? Answer choices: - inactive - devastating - recovery - negative - hyperactive - sleep - excited - cold
A: inactive