Answer:
The temperature and the amount of water need to be kept the same so that the only variable that changes is the surface area. If you allow the temperature and/or the amount of water to change too, you will not know which variable is causing the changes that you observe.
Explanation:
Answer:
So you do not have different changes in temperature, that can result to changes and speed and the final estimate
Explanation:
This is what i typed and i got it correct on edge 2020
