7.

1 answer:

7 0

The answer would be 500 because every time the food chain goes up the energy goes down 10 times. Hope this helps :-)

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MissTica

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Its either B or D but i think its B

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sergejj [24]

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The size of crystals in igneous rocks can tell us about the physical environment under which the rock formed.

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vovikov84 [41]

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A. Books and DVDs can be given new life as well.

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