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Elements of Living Organisms

Question 1 • PA Human Anatomy & Physiology A 2026-2027 SMITH IC

Click the statement that best describes the role of each element in living organisms.Carbon is the most abundant element by massmakes up 60% of the atoms in living organismsis a versatile element, and the basis of all living organisms.

Answer
A
is the most abundant element by mass
B
makes up 60% of the atoms in living organisms
C
is a versatile element, and the basis of all living organisms

Explanation

Carbon can form four covalent bonds, allowing it to build a wide variety of complex molecules, so it is the basis of the molecules found in living organisms. The statement that it is the most abundant element by mass describes oxygen, while hydrogen makes up about 60% of the atoms in living organisms.

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