Ques:You are presented with the question "a lawn mower converts _ into motion" and the following answer choices: - kinetic energy - flow of electrons - hydrocarbons - energy - Greenhouse gasses - heat energy - fossil fuels - Greenhouse gases Now knowing that agasoline lawn mower converts gasoline into motion and gasoline is made up of hydrocarbons, choose the best answer.

Ans:hydrocarbons
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Ques:You are presented with the question "what can only contract?" and the following answer choices: - nerves - Epidermis - the skin - strong - biceps - Bend - lungs - forces Now knowing that muscles can only contract and muscles in the upper arm called biceps are used to flex the arm, choose the best answer.

Ans:biceps
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Ques:You are presented with the question "Cells have multiple repair mechanisms to fix what?" and the following answer choices: - scarce resources - harmful substances - damage in DNA - critical organs - the skin - Veins and arteries. - layers of fat - heat or cold Now knowing that cells have multiple repair mechanisms to fix mutations in DNA and dNA damage is called mutation, choose the best answer.

Ans:damage in DNA
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Ques:You are presented with the question "What from dead proteins help to insulate and protect the body?" and the following answer choices: - follicles - bioaerosols - Energy - sweating - fossil fuels - layers of fat - fur and fat - fungi Now knowing that hair helps to insulate and protect the body and hair is built by the hair follicle from dead proteins produced by skin cells called keratin, choose the best answer.

Ans:
follicles
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