PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoFill in the blanks with the correct option given below in the table:
| Greenhouse effect | Sunspots | CNG | 315 |
| Photon | Unstable | Chlorine | Supersonic |
| Industrialization | Photodissociation | Afforestation | Visible light |
| -18 | Global warming | Ozone-depleting | Greenhouse |
1. The chemicals that release chlorine and bromine when exposed to intense ultraviolet light in the stratosphere are called as __________ substances.
2. ___________ causes an increase in sea levels due to melting of ice glaciers.
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