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What is the main source of energy that drives the earth's systems?
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Individuals do not compete directly for resources, but are prey for the same predator
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What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an
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What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna
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Does all the energy stored by the phytoplankton reach the top level of the pyramid
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What is the main source of energy that drives the earth's systems?...
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