Yes they do because cells produce food so the food turns into energy which formative a phase
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)
Its the fourth one hope i helped
The correct answer is letter A
C as more energy requires more work for the body
