A change in their food, from trees to grass in the Great Plains.
Answer:
not really a pro at health but I can try! I would say have a different diet while healing and stay home from soccer and let it heal. he should go to therapy daily for updates to see if his arm is healing or not. he should not take to much pressure onto his arm.
Explanation:
D CHLOROPHYAT NOT THE OTHER ONES
The answer is B. They are both made up of subatomic particles.