Answer: Skin, Bones, and Muscles, hope this helps!
Explanation:
Answer:
18 protons and 22 neutrons (and 18 electrons if needed).
Explanation:
Hope this helped!
Answer:
There are four classes of macromolecules (polysaccharides or carbohydrates, triglycerides or lipids, polypeptides or proteins, and nucleic acids such as DNA & RNA). Carbohydrates and lipids are made of only carbon, hydrogen, and oxygen (CHO). Proteins are made of carbon, hydrogen, oxygen, and nitrogen (CHON).
A habitat is useful to animal because it is a place where they can easily adapt or wouldn't have to adapt. They could have as many right to food as they need, and they could easily find shelter.
An inorganic phosphate (PO4) group