Social Studies, 06.11.2019 00:31 Bassoonist
Asandstone is found to overlie a shale. the shale contains a volcanic ash layer that has been radiometrically dated to 84 million years ago. both the shale and the sandstone are cut by a pluton of gabbro that has been dated to 60 million years old. how old is the sandstone layer?
Answers: 3
Social Studies, 21.06.2019 21:10
Select the correct answer. assume that you are a member of a special interest group that wants to raise taxes on certain items. who would you present your idea to if you wanted it to be proposed as a bill? a. a supreme court justice b. the president c. the american people d. a senator e. a member of the house
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Social Studies, 22.06.2019 05:00
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Social Studies, 22.06.2019 08:00
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Asandstone is found to overlie a shale. the shale contains a volcanic ash layer that has been radiom...
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