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Biology, 08.09.2020 02:01, darrenmcfadden220
A mammoth carving, designed out of a horse's shoulder blade, was found in waters covering the ancient
Bering Strait and land bridge. A 0.500-gram piece of this bone was observed to undergo 1,187 carbon-14
decays in a 1-hour period. A 0.500-gram piece of bone from a modern source underwent 7,251 carbon-14
decays in the same period. Approximately how old is this bone carving?
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Answers: 3
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Biology, 22.06.2019 11:10, allisonpierce1787
Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water. b. they use chlorophyll and oxygen to make carbon dioxide and water. c. they use sunlight, water, and carbon dioxide to make sugars. d. they use sunlight, water, and oxygen to make chlorophyll.
Answers: 1
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A mammoth carving, designed out of a horse's shoulder blade, was found in waters covering the ancien...
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