Question

A food chain consists of grass, cows, and humans. If the grass

field produces 86,000 kJm-2 year-1 of energy and the cows
contain 18,700 kJm-2 year-1 of energy then what is the trophic
efficiency?
A: 5%
B: 78%
C: 22%
D: 33%

Answer 1

The answer is B.78* and that’s the answer

Answer 2

C

Step-by-step explanation:

This is the answer because when the math is done it should be 22%.