Question

water in ponds and rivers in villages does not remain clean because​

please give me the answer
it's argant

any one answer that I send in brainlist answer
and I will follow also

Answer 1

The water in a pond must remain clean if it is to provide a healthy environment for the organisms (animals and plants) living in it. The natural waste from the living and dead organisms is 'recycled' by special tiny organisms called bacteria.