In a molecule of oxygen gas, the atoms of oxygen share electrons equally with one another. This statement best describes a(n):

A) compound. B) ionic bond.
C) polar covalent bond. D) nonpolar covalent bond.


Answer: D

Anatomy & Physiology

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A. small intestine B. large intestine C. esophagus D. mouth E. stomach

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Naturally acquired passive immunity results from _____.

A) a bee sting B) immunization C) a flu shot D) placental transfer

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