Answer:
The calories in food come from carbohydrates, proteins, and fats. A gram of carbohydrate contains 4 calories. A gram of protein also contains 4 calories. A gram of fat, though, contains 9 calories — more than twice the amount of the other two.
Explanation:
There are about 78 calories in a small apple.
All I Know is that society pays almost everything like hospital bills, house bills and gives them some money to help themselves
The cardiovascular system transports oxygen to cells through blood and takes away carbon dioxide from the cells.
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