Energy from food is measured in.. 1) joules 2) watts 3) calories 4) kilograms

Energy from food is measured in calories. We convert the calories into chemical energy.

Therefore, the answer is the 3rd choice.

Atomicity occurs to prevent updates of the database occurring only partially, which can cause greater problems than rejecting the whole series outright.some are monatomic, diatomic, triatomic etc because it shows the number of atoms. for example, monatomic means it contains only one atom.