Question

While passing by a lake during their trek , Dhruv and his friends observed green patches of plant- like material floating on the lake. He wondered who made these plants grow on the water. He had seen similar green patches on stagnant water in his town too .
(1) Do these plants grow on their own ?

(2) What is this green plant like material commonly known as ?

(3) Does this covering have any impact on the aquatic life ?​

Answer 1

Answer:

it is algae it is useful for fish it grows it self