why is our environment changing
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Due to increasing pollution and excessive cutting of trees....
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7
It is due to the following reasons-
1. imbalance between various gases like CO2, oxygen, nitrogen dioxide, etc.
2. Reckless cutting of trees.
3. Emission of harmful gases at large level.
1. imbalance between various gases like CO2, oxygen, nitrogen dioxide, etc.
2. Reckless cutting of trees.
3. Emission of harmful gases at large level.
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