Question the-ra
The radiation that blank during the decay of radioactive atomic nuclei is known as gamma radiation.
Which choice completes the text so that it conforms to the conventions of Standard English?
occurs
have occurred
occur
are occurring
The radiation that ______ blank during the decay of radioactive atomic nuclei is known as gamma
Medium-difficulty · SAT Reading & Writing · Form, Structure, and Sense — Modifier placement and clarity. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice A is the best answer. The convention being tested is subject-verb agreement. The singular verb "occurs" agrees in number with the singular subject "radiation."
Choice B is incorrect because the plural verb "have occurred" doesn’t agree in number with the singular subject "radiation." Choice C is incorrect because the plural verb "occur" doesn’t agree in number with the singular subject "radiation." Choice D is incorrect because the plural verb "are occurring" doesn’t agree in number with the singular subject "radiation."
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