Question

which of the following is a good scientific question?
○ a. why do crickets chirp?
○ b. are dragons lizards or 🐭🐶s?
○ c. does eating less fat increase a mouses life span?
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Explanation:

A good scientific question should be testable and based on observable phenomena. Option A ("Why do crickets chirp?") is broad and hard to test directly. Option B ("Are dragons lizards or birds?") is invalid as dragons are mythical, not real - world observable. Option C ("Does eating less fat increase a mouse's life span?") is testable through controlled experiments with mice, fat intake, and measuring lifespan.

Answer:

C. Does eating less fat increase a mouse's life span?