It will make you tired and tou will just want to sleep ( i know this from exsperiience)
I think that drugs and their affects would be interesting to learn about, because its a big issue in our world today, and it's good to learn about these things (such as drugs/alcohol)
Answer: 2, They measure how rich in nutrients a food is.
Explanation: Just by process of emimination, I know that "heat a food can supply" has nothing to do with calories.
