3. A food contains five grams of carbohydrates. How many calories does that food get from carbohydrates? A 45 calories
B 5 calories
C 20 calories
D 4 calories

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

Where substance is produced during cellular respiration

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes