What would you expect the concentration of pollutant X to be on trophic level 2 and 4?

The ecological efficiency in a food chain is 10 percent. Pollutant X is transferred up the food chain from one trophic level to the next with an efficiency of 30 percent. The concentration of X on trophic level 2 is 30 ppm. If the concentration of X on other trophic levels in the food chain is determined... show more The ecological efficiency in a food chain is 10 percent. Pollutant X is transferred up the food chain from one trophic level to the next with an efficiency of 30 percent.
The concentration of X on trophic level 2 is 30 ppm.

If the concentration of X on other trophic levels in the food chain is determined entirely by food chain magnification, what would you expect the concentration of X to be on
a) Trophic level 2?
b) Trophic level 4?
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