Question

Dangerous faced by the fishes of rivers and seas

Answer 1

Throwing of waste things in seas and rivers would cause fishes die.

They didn't get supply of oxygen sufficiently so they will die.

I hope it will help u ☺.

Answer 2

hi mate,

sometime ,water in rivers, oceans, and seas are getting more polluted because of humans activity. Almost one million fish species are extinction. The greatest danger faced by fishes in seas and oceans is pollution caused by motor boats and large ships. Some fishes are getting dissapeae due to over catching.

I hope it helps you.