How can we call the layer of algae seen on the surface of water?
Answers
Answered by
1
Explanation:
pond scum n. Any of various freshwater algae that form a usually greenish film on the surface of stagnant water
Answered by
3
Answer:
Pond scum n. Any of various freshwater algae that form a usually greenish film on the surface of stagnant water.
Similar questions