A mountain lake is crystal clear, with no organic material blocking the view to the bottom. This is an example of an oligotrophic lake.

Question

Quizplus · Accepted Answer

Oligotrophic lakes are characterized by low nutrient content and low productivity, which often results in clear water with high visibility to the bottom. The absence of organic material blocking the view to the bottom is a characteristic feature of an oligotrophic lake.

A Mountain Lake Is Crystal Clear, with No Organic Material