The correct answer would be B.(2nd one)
There are seven major classes of nutrients:
carbohydrates, fats, fiber, minerals, protein, vitamins, and water.
Answer:
Skin serves as a protective barrier, a way to sense the world, and a layer that keeps nutrients and water inside the body. Four types of cells make up the skin, and they are produced mainly in the epidermis near the basement membrane. Keratinocytes contain structural keratin and make up the bulk of the epidermis.
Scandium is a chemical element so you cannot eat scandium
Develop hypothesis. You need something to test, and you need to prove what you think is going to happen, in order for that to happen you need to come up with what you think is going to happen based on your previous experience ect.<span />
