10. Air pollution is actually harmful substances
in the atmosphere which damages the
environment . With the development of
industries, came along the increase in
air pollution.
11.
12. Water pollution is the contamination
of water bodies(e.g.lakes,rivers,oceans,
groundwater).Water pollution occurs when
pollutants are discharged directly or indirectly
into water bodies without adequate treatment
to remove harmful
compounds.
14. Land pollution is another of the main
types of pollution to the environment.
Land pollution is mainly about the
contamination and degradation of Earth”s land
surfaces.
16. Sound is essential to our daily lives, but
noise is not. Noise is generally used as an
unwanted sound, or sound which produces
unpleasant effects and discomfort on the
ears.