Put a check if the statement is correct and cross if not.
___1.Organisms die when people dump plastics, pesticides and heavy metals into the ecosystem because they do not decompose rapidly.
___2.Pollution in water poses a health advantage to swimmers, drivers seafood costumers.
___3.Lack of oxygen in the water leads dead fish kill and foul-smelling environment.
___4.Tree planting activities help preserve the evosystem.
___5.Floods can change the ecosystem by killing plants and destroying animal habitats.