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Is ethanol really a viable alternative to petroleum-based fuels?
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You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled
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When analyzing tree rings, what do scientists assume a thin ring indicates?
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Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone
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Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids
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Is ethanol really a viable alternative to petroleum-based fuels?...
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