Answer:
D. There will always be waste produced that can be used for energy.
Explanation:
Biomass energy is a renewable energy source because its does not have limited supply. We can always grow trees and crops, and waste will always exist.
Answer:Student 4
Explanation: Because if the mountain lions, coyotes, and bobcats decrease they arent enough to prey on the deer which causes the deer population to be able to reproduce over time.
The correct answer is -
E. double coincidence of wants
This questions seems like its missing other parts