Afforestation
Afforestation is the effort to plant trees in barren lands to create a forest. It is important because it helps […]
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Pollution
Pollution is the introduction of harmful materials into the environment. These toxic materials are pollutants. Pollutants can be natural, such
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Atmosphere
The word Atmosphere is taken from the modern Latin word ‘atmosphaera’. Which meaning is gaseous envelop surrounding the earth and