Together, these three natural elements make up 99% of the Earth's biomass

A) hydrogen (H), oxygen (O), and carbon (C)
B) hydrogen (H), helium (He), and oxygen
C) oxygen (O), argon (Ar), and helium (He)
D) hydrogen (H), nitrogen (N), and helium (He)
E) carbon (C), nitrogen, and helium (He)


A

Environmental & Atmospheric Sciences

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A)Paleocene B)Eocene C)Oligocene D)Miocene E)Pliocene

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Indicate whether the statement is true or false

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The one place on Earth where mid-oceanic ridge volcanism occurs above sea level is

____________________. Fill in the blank(s) with the appropriate word(s).

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