The answer is option C "Calories" Calories is a unit of measure for food or energy. Calories are also the amount of energy you consume when you eat or drink something. Kilocalorie are equal the amount of 1000 calories.
Hope this helps.
<span>A phoneme is a single "unit" of sound. a phoneme means that there is a several words with a diffrent meaning or spelling that sounds the same when spoken. A good example would be the word "not" but also sounds like "caught" but then theres also another words like "thought" they carry the same sound when spoken. but spelled diffrent when said out loud</span>
During the respiration of plants, animals, and organisms that bring about decomposition, carbon dioxide is returned to the atmosphere. The combustion of fossil fuels (e.g. coal and peat) also releases carbon dioxide into the atmosphere.