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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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drelog drelog
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8 years ago
One important reason we do not know much about the geologic history of the Precambrian is that ________.
A) we have not yet been able to establish the half-lives for radioactive elements that existed in the Precambrian
B) rocks did not exist during much of that time
C) the climate was so harsh that erosion removed most of the rocks that formed during the Precambrian.
D) there are very few fossils preserved in Precambrian rocks
E) radioactivity was not measurable during the Precambrian
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Earth Science

Earth Science


Edition: 14th
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PulsaPulsa
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drelog Author
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#2
8 years ago
Double checked your answer with my friend, it's right Smiling Face with Open Mouth
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