Geography

Geography, 22.07.2019 05:00, kyliepugh1437

Which is not one of the eight most common elements in earth’s continental crust? a. aluminum b. oxygen c. carbon d. silicon

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Physics, 18.07.2019 17:00, jesusvillar47

There are 8 elements that together make up 98.5% of earth crust oxygen 46.6% aluminum 8.1% iron 5.0% calcium 3.6% sodium 2.8% potassium 2.6% magnesium 2.1% and silicon what percentage of earth crust is silicon

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Geography, 19.08.2019 10:30, martinez18abdel

Which two elements make up the greatest percentages by mass in earth’s crust? (1) oxygen and potassium (2) oxygen and silicon (3) aluminum and potassium (4) aluminum and silicon

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Geography, 05.10.2019 03:00, kdenormandie3122

18. the three most common elements in the earth's crust, in order of decreasing abundance, are a. feldspar, quartz, pyroxenes b. silicon, oxygen, copper c. oxygen, silicon, aluminum d. iron, calcium, sodium

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