Answer:
D
Explanation:
polysaccharides is NOT one of the four main groups of macromolecules of living things
Answer:
Ha, It learned where NOT to land. That's for sure. But the answer is Operant Conditioning.
Explanation:
<span>
Oxygen will diffuse from an area of higher concentration (outside the cell) to an area of lower concentration (inside the cell). </span>
Answer: i would say the core then its the mantle then the crust
Explanation: hope this helps