You can restore damaged ecosystems by planting trees on land where forests have been cut down. Or you can encourage people around you to live in ways that don't hurt the environment.
Answer;
Radial nerve
Explanation
-The nerve that is most likely to be damaged as a result of his injury is the radial nerve.
-The radial nerve is a nerve in the human body that supplies the posterior portion of the upper limb.
-It innervates the medial and lateral heads of the triceps brachii muscle of the arm, as well as all 12 muscles in the posterior osteofascial compartment of the forearm and the associated joints and overlying skin.
18: D, homologous
20: B, DNA
I can’t see 17 or 19!
Answer:
Xylem cells have no cytoplasm or end walls, meaning they form a tube through which water can pass freely to allow water transport. Lignin strengthens the cell walls, helping to support the plant.