For example, some ingredients may be safe in products such as cleansers that we wash off the skin immediately, but not in products that we leave on the skin for hours. Similarly, ingredients that are safe for use on the hair or nails may be unsafe when used on the skin or near the eyes.
Carbohydrates are the main energy source for the brain. Without carbohydrates, the body could not function properly. Sources include fruits, breads and grains, starchy vegetables and sugars. Make at least half of the grains you consume whole grains.
Best Answer: This is a tricky one depending on what they're asking for... C) nucleic acids, mostly ATP (adenosine triphosphate). Carbohydrates, especially polysaccharides like starch and glycogen, serve as energy storage units. The question is ambiguous, however, because lipids will also store energy in the cells. Fatty acids provide a very high caloric content (even greater than carbohydrates, in fact). dex Â· 4 years ago.