Ques:An automobile engine transforms chemical energy into mechanical energy, and marine engines, with very few exceptions, are automobile engines converted to marine use. Given these facts, what converts chemical energy into mechanical energy among the following options: - kinetic energy  - Marine engine  - driving  - some invertebrates  - sea urchins  - vehicles  - rockets  - animal transport

Ans:Marine engine
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Ques:Storms cause bodies of water to increase amount of water they contain, and lakes are large bodies of inland water. Given these facts, what water does a rain storm increase?  among the following options: - Inches or fractions of inches.  - A covered pool.  - A lake is increased.  - Condensation  - to move people  - dead organisms  - Rain in clouds.  - A closed water bottle.

Ans:A lake is increased.
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Ques:Oxygen is essential for cellular respiration for all aerobic organisms, and cellular respiration is a requirement for life. Given these facts, which is a requirement for life among the following options: - glucose  - hydration  - sunlight  - scandium  - recovery  - oxygen  - uranium  - radon

Ans:oxygen
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Ques:Creating wood-free paper does not require cutting down trees, and hemp paper is superior to wood paper. Given these facts, what doesn't hemp paper use among the following options: - Acids  - RNA  - Water  - Trees  - Leaves  - Air  - heat  - fibers

Ans: