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BYU Earth Science 2.1 exam with correct answers

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2025/2026 Written for academic year
Institution Brigham Young University
Course Earth Science
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BYU Earth Science 2.1 exam with correct answers

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BYU Earth Science 2.1 exam with |\ |\ |\ |\ |\ |\




correct answers |\




It is believed that the earth formed from a vast cloud of dust and
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gas called? - CORRECT ANSWERS ✔✔A nebula
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What influenced matter in the nebula collect together into large
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masses called planetesimals? - CORRECT ANSWERS ✔✔gravity
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What happened to most (far more than ninety-nine percent) of
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the matter in our solar nebula? - CORRECT ANSWERS ✔✔It was
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pulled toward its center, forming the sun
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How long did it take form the solar nebula to form into the sun
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and planets? - CORRECT ANSWERS ✔✔tens of millions of years
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How did planetesimals grow larger? - CORRECT ANSWERS
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✔✔impacts and collisions with other planetesimals added to their
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mass
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What are protoplanets? - CORRECT ANSWERS ✔✔the largest of
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the planetesimals that grew to planet-sized objects
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What caused the core of the newly formed earth to melt -
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CORRECT ANSWERS ✔✔Heat released from impacts and from the
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increasing pressure
|\ |\

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