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What caused the melting of the Moon's surface around 4 billion years ago to form the highlands? Select all that apply. A. tectonic activity B. radioactive heating C. meteoroid bombardment D. impact with
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Jul 4, 2017
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What caused the melting of the Moon's surface around 4 billion years ago to form the highlands? Select all that apply. A. tectonic activity B. radioactive heating C. meteoroid bombardment D. impact with a Mars-sized planetesimal
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Its B- the radioactive heating
FurryWombat
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Jul 10, 2017
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