Ques:If one of the oldest forms of energy used by humans can be used to produce electricity, then one of the oldest forms of energy used by humans can be used to produce what? Answer choices: - food - engines - waves - chemicals - Decibels - sound - energy - hormones

Ans:energy
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Ques:If fish require great amounts of water to survive, then what requires great amounts of water to survive? Answer choices: - bears - cactii - fish - squids - h2o - Whales - Birds - atmosphere

Ans:fish
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Ques:If the gravitational pull of the Moon on the Pacific causes the tides, then what does the gravitational pull of the moon cause? Answer choices: - earth's rotation - energy of moving objects - tides in the Pacific - to move people - river beds - the Great Barrier Reef - Plant growth is reduced - gravitational pull of earth

Ans:tides in the Pacific
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Ques:If smallpox causes human disease, then what can smallpox cause? Answer choices: - contamination - harmful substances - vaccines - photosynthesis - extinction - cellular respiration - Destroy crops - human disease

Ans:
human disease
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