4. WATER POLLUTION
Water pollution is the release of substance into bodies of water
that makes unsafe for human use and aquatic ecosystem.
5. SOIL POLLUTION
Soil pollution is when there are harmful
changes in soil due to adding of
unwanted, harmful pollutants , such as
trash and toxic chemicals
6. AIR
POLLUTION
Air pollution is a mixture of solid particles and gases in the air .
Car, chemical from factories, dust may be suspended as
particles. Ozone , a gas is a major part of air pollution in cities .
7. HOW TO SAVE OUR ENVIRONMENT
• We should stop cutting down forests to our life ,atmosphere and homes of many different species .
• People should limit their use of electricity and use less fossil fuel to save the environment from global
warming .
• They should promote the use of solar lights and wind energy to save destroying earth.
