Question increa
Increasing the heat on an uncovered boiling pot of water does not increase the temperature of the water. What increases is the rate at which the water turns to blank a pressure cooker pot, though, an airtight seal traps the vapor in the pot, creating pressure that allows the temperature of the water to increase past its boiling point.
Which choice completes the text so that it conforms to the conventions of Standard English?
vapor. With
vapor with
vapor, with
vapor and with
Increasing the heat on an uncovered boiling pot of water does not increase the temperature of
Hard-difficulty · SAT Reading & Writing · Boundaries — Fragments vs complete sentences. 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 punctuation use between sentences. In this choice, the period is used correctly to mark the boundary between one sentence ("What…vapor") and another ("With…point").
Choice B is incorrect because it results in a run-on sentence. The sentences ("What…vapor" and "with…point") are fused without punctuation and/or a conjunction. Choice C is incorrect because it results in a comma splice. A comma can’t be used in this way to mark the boundary between sentences. Choice D is incorrect. Without a comma preceding it, the conjunction "and" can’t be used in this way to join sentences.
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