Card 62 / 112: In the 1960's, excessive amounts of plant nutrients such as phosphorus were added to waterways around Lake Erie. Sources of the nutrients included agricultural fields, suburban lawns, and sewage. What is the result of the addition of nutrient inputs to freshwater and marine areas as a consequence of human activities as describe above?
A) The addition ultimately increases biodiversity.
B) The addition has minimum effects.
C) The addition is ultimately beneficial to aquatic habitats.
D) The addition causes algal blooms with can ultimately decrease biodiversity.

Keyboard Shortcuts