Which choice completes the text with the most logical and precise word or phrase?

Scientists have long ______ that the moon formed from debris after a giant collision.

Answer and explanation

Correct answer: C. hypothesized

  1. Step 1: Analyze the sentence: it discusses a major scientific theory regarding the origin of the moon following a collision.
  2. Step 2: Identify the appropriate verb: scientists formulate testable proposals or theories based on evidence.
  3. Step 3: Match with choices: hypothesized means put forward as an explanation based on limited initial evidence.
Answer
hypothesized.
Why not the others: Disproved is incorrect because the giant impact hypothesis remains the prevailing scientific model.

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