D: renewable. The wind is pushing the windmill so the the wind is the energy, wind is blowing constantly so it would be renewable
D can be eliminated because the temperatures where changed in 3 ways, not two.
A is true, but doesn't apply to the actual experiment "design"
B we don't know for sure, it just looks like a cup/glass.
Best answer for you: C
C is true- it was tested with a single independent variable (one that does not change) on multiple trials (the different temperatures)
You never put the answer choices so I can’t answer this question
<span>Robert Hooke was the first person to see cells.</span>
