Answer:
Collagen is a protein made up of amino acids glycine, proline, hydroxyproline and arginine — all of which help our body's connective tissue, skin, hair and nails stay as healthy as possible.** As we age, and the more stress we put on our body, the greater the impact on collagen production.
Explanation:
Sycamore trees (Platanus occidentalis) make handsome shade trees for large landscapes.

Answer:
A 550
Explanation:
0.55 hectometers is equivalent to 550 decimeters.
They are neither, they do not have the mechanism to ingest or produce food.