PDF chapter test TRY NOW
Fill in the blanks with the correct option given below in the table:
| Nitrogen | 18.5 | carbon dioxide | carbon |
| Carbon | fossil | calcium carbonates | producers |
| 0.04 | Carbon dioxide | carbon dioxide | natural carbon |
| carbon sink | decomposition | Plants | carbon cycle |
1. __________ % of carbon is present in the human body as proteins, carbohydrates, fats etc.
2. When the intake of carbon dioxide is more compared to its release, it is known as a ____________.
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