some harmful effects of protozoans is... i don't know you tell me please? :(
There are a few harmful effects of protozoans. They can pollute water, reduce the fertility of soil, and destroy the habitats of plants and animals.
they help us remove harmful wastes from sewers.
they help us remove harmful wastes from sewers.
harmful effects of coelenterates
the harmful and the beneficial effects of advertising?
what harmful effects???????
The harmful effects of CARS to our environment is the carbon monoxide
There are no harmful effects of homosexuality that can be scientifically demonstrated.
Had harmful effects
The harmful effects of ozone are seen at ground level. Ozone acts as a pollutant there.
There are no harmful effects. its just the earth going between the moon and the sun.
harmful effects of polythene on animals