Answer
C - Eutrophic lakes are richer in nutrients
Work Step by Step
Eutrophic lakes are depleted in oxygen due to decomposition and, thus, rich in nutrients.
Option A: Incorrect because Oligotrophic lakes are often deep, nutrient poor, and oxygen rich.
Option B: Incorrect because eutrophic lakes have more nutrients for the growth of plants.
Option D: Incorrect, oligotrophic lakes have poor decomposable organic matter because they are deep and oxygen-poor.
