PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
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1. Fossil fuels such as coal are found inside the earth's crust. They are created over millions of years by natural processes such as the decomposition of buried dead animals.
2. When are burnt, carbon dioxide, water, nitrogen oxides, and sulphur oxides are produced. If incomplete combustion occurs in an insufficient supply of air (oxygen), then is generated instead of carbon dioxide.
3. s a poisonous gas that enters our bloodstream, binds to RBCs, and causes suffocation.
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