If coal is used to produce the movement of electrons by burning in coal-fire power stations, then coal is used to produce the movement of electrons by what in coal-fire power stations? Answer choices: - cooling - energy - rotating - burning - heat - engines - mining - sun's heat
burning
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If cactus store water where photosynthesis occurs, then where photosynthesis occurs in a cactus, what is stored? Answer choices: - glucose - flowers - water - sand - gametes - birds - lipids - energy
water
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If products from a paper mill can have a negative impact on an ecosystem, then awhat can have a negative impact on ecosystem? Answer choices: - paper mill - A virus - deforestation - storm - disease - rainfall - tree - Pollution
paper mill
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If afiber found only in mammals grows from a bulb under the skin, then afiber found only in mammals grows from a bulb under what? Answer choices: - fur and fat - the mammal - light energy - the skin - the pelt - the animal - a cuticle - Exfoliation
the skin
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