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Atissue system is a group of organs that work together to perform body functions
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How do ecosystem respond to nature disasters such as fires and floods
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Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low-pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward
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Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%
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Atissue system is a group of organs that work together to perform body functions...
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