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4. Pollution is an unwanted change caused in air water
and a soil by humans and human activities.it is caused
due to dumping or adding of unwanted
substances.Such dumping in the long run changes the
quality of air water soil and ecological systems
Pollution has been around for along time
5. There are 6 types of pollution-
• Air pollution
• Soil pollution
• Water pollution
• Noise pollution
• Radiation pollution
• Thermal pollution
6. •
Soil pollution water pollution air pollution
Noise pollution radiation pollution thermal pollution
18. Our environment is totally polluted
,hence we are suffering from
diseases,we are drinking polluted
water .inhaling dusty air and so
on...As a result of all human activity
there is ozone hole,sea is rising,ice
caps on Antarctica are melting.Now
the global warming is warning is so
fast that there is a climate
change.The mother earth is non in
danger,the life on it is in danger.Let
us come together to save our life
giving and life saving mother
earthdue
28. • Growing more trees helps in maintaning the
ecological balance of nature..
• Climate control is obtained by moderating the
effects of sun, wind, and rain
• We are cooler when we stand in the shade of trees
and are not exposed to direct sunlight
• Wind speed and direction can be affected by trees.
• The larger the tree, the greater the cooling.