Answer:
450 kilocalories.
Explanation:
Since only 1/10th of the energy that an organism consumes is passed onto the next level of the pyramid, that would mean only 500/10 = 50 kilocalories are passed on, and the remaining 500 - 50 = 450 kilocalories are used up.
Hope this helped!
Answer:
C: new, higher-yield crops
Explanation:
All of the other answers are problems while C is a positive scenario.
It increases ecosystem productivity, protects fresh water resources, and provides nutrient storage and recycling
