Answer:
The assimilation of the primary consumer is 5000 kcal/m2/yr, option C.
Explanation:
From the information in the question, the Net Production Efficiency, NPE can be calculated using 100Cp/AS.
Where CP is the consumer productivity and AS is the Assimilation.
Therefore, 20 = 100 x 1000/AS
AS = 100,000/20 = 5000 kcal/m2/yr. Option C.
I believe the answer is E) Input
<em>Because sometimes building these facilities is expensive and they usually have to be built in remote areas and burning fossil fuels has also been cheaper than using renewable energy in the past. Another issue is that the form of energy isn't available all the time.</em>
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