Plants near a window grew taller than plants in a corner, so light makes plants grow taller. Which fact most strengthens this?
Answer and explanation
Correct answer: A. Both groups got the same water and soil and the same temperature
- Step 1: The claim is that light causes the height difference. Step 2. Showing that other factors were equal makes light the likely cause. Answer: Both groups got the same water and soil and the same temperature. Why not the others: the other facts are about cost, moving or location and do not remove other explanations.
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