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What do theories hypothesize about the conditions of earth's early atmosphere? little to no oxygen low levels of ultraviolet radiation protective atmosphere very cold temperatures
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Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above
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In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.
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What molecule contains an organisms genetic material, passed down from parents to their offspring
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Biology, 22.06.2019 11:00
Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water
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What do theories hypothesize about the conditions of earth's early atmosphere? little to no oxygen...
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