Geography, 21.08.2019 01:50 jamarengle2

Which elements are found in a high proportion in earth’s crust?
a. aluminum and iron
b. oxygen and silicon
c. calcium and sodium
d. potassium and magnesium

Answers: 2

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Which elements are found in a high proportion in earth’s crust?
a. aluminum and iron
b. o...

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More questions: Geography Another questions

Which elements are found in a high proportion in earth’s crust? a. aluminum and ironb. oxygen and siliconc. calcium and sodiumd. potassium and magnesium

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Another question on Geography

Which elements are found in a high proportion in earth’s crust?
a. aluminum and iron
b. oxygen and silicon
c. calcium and sodium
d. potassium and magnesium