https://www.vedantu.com/question-answer/an-oligotrophic-lake-is-characterized-by-a-great-class-12-biology-cbse-5f8819a8177aeb6799536315
An oligotrophic lake is characterized by A Great changes in water level B Long food chains C Low nutrient contents and little life D High nutrient levels and...
oligotrophic lakecharacterizedgreatchangesclass