A newly formed natural lake most likely receives water from glaciers or mountain streams and may not have a large supply of nutrients from plants. This type of
lake is
bitrophic
eutrophic
polytrophic
oligotrophic

If i'm not mistaken the answer is eutrophic

Explanation:

The algae has no plants to feed on and in turn makes them feed of oxygen and makes less suitable for any type of plant life.

i think the answer is a.keratin is the pigment responsible for skin color.

answerthe above statement is (false);