13. The polysaccharide has twice the number of hydrogen atoms as the number of oxygen atoms.
Answer: active transport
Explanation: "To move substances against a concentration or electrochemical gradient, the cell must utilize energy in the form of ATP during active transport."
Yes it does because it messes up with the circle of all living things and they transfer seeds to places with causes less vegetation in the surrounding area
I think the answer is A Because they have to match each other
I hope this helps :)