Answer:
Hair and nails are mostly made of protein. Your body uses protein to build and repair tissues. You also use protein to make enzymes, hormones, and other body chemicals. Protein is an important building block of bones, muscles, cartilage, skin, and blood.
Explanation:
Answer:
More Information
Explanation:
New things are found over time, thus changing knowledge.
Requiring energy, like going up a hill. Always active transport.
Molecules use energy to move, so yea. Have a great day! :)
Beacause some of that web pages have created on the side of the economics and also advertising pages.
