Changes
From Karnataka Open Educational Resources
4 bytes added
, 12:53, 2 February 2023
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| ==== 2. Valcano ==== | | ==== 2. Valcano ==== |
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− | ==== 3. Oxygen is necessary for fire ==== | + | ==== 3. [[Oxygen is necessary for fire]] ==== |
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| ==== 4. Types of pollution : Air pollution, Water pollution and Soil pollution ==== | | ==== 4. Types of pollution : Air pollution, Water pollution and Soil pollution ==== |