Acid rain reduces the quality of surface water that damages fish life. The change from a higher to a lower level of quality is called
A contamination
B) degradation
C) eutrophication
D) nitrification
E) petrification

degradation option B

Explanation:

Degradation is the change from a higher or regular quality to a lower quality.

the bald eagle got 50 because everything gets 10% of what they consume and since 50 is ten % of 500 hundred that means the   grasshopper had to have consumed a plant with 5,000 calories of energy

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