Q: You are presented with the question "what can be used to kill existing microorganisms in food?" and the following answer choices: - chemical changes - Dehydration - deoxyribonucleic acid - bacteria - an electron microscope - hydration - electromagnetic energy - single-celled organisms Now knowing that irradiating food can be used to kill existing microorganisms in the food and irradiation causes chemical changes, choose the best answer.
A: chemical changes

Q: You are presented with the question "What is one instinct that animals use to stay alive?" and the following answer choices: - motility - Warmth - stability - Cold - Territory - toughness - Peace - hormones Now knowing that an animal requires warmth for survival and animals act through their instincts for survival, choose the best answer.
A: Warmth

Q: You are presented with the question "What do igneous rocks form into when heated?" and the following answer choices: - magma - matter - crust - soils - rocks - alveoli - coal - mines Now knowing that melting is when solids are heated above their melting point and igneous rocks form when rocks are heated to the melting point which forms magma, choose the best answer.
A: magma

Q: You are presented with the question "Some viruses do not affect the host and live in what kind of state in the body?" and the following answer choices: - inactive - devastating - recovery - negative - hyperactive - sleep - excited - cold Now knowing that some viruses live in a dormant state inside the body and when inactive or dormant, Dendrobiums require little or no fertilizer, choose the best answer.
A: inactive