2
QuizMultiple Choice

Catalysts — Unit test

Question 2 • FL-2000310-Biology 1 Sem 1 - Flex

There are more hydrogen atoms in living organisms than any other atom, but oxygen is more abundant in terms of mass. Why is this statement true?

Answer
A
Hydrogen is a gas, but oxygen is a solid.
B
Hydrogen atoms have a lower mass than oxygen atoms.
C
Hydrogen atoms make up more of water's mass than oxygen atoms.
D
Hydrogen is present as single atoms and oxygen is bonded in compounds.
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