Question

give 2 ways in which co2 is fixed

Answer 1

There are two different ways by which carbon dioxide can be fixed in the environment. They are : (i) Green plants convert CO2 into glucose in the presence sunlight by the process photosynthesis. (ii) Many marine animals use carbonates dissolved in sea-water to make their cells.

Answer 2

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Following are the two ways by which carbon dioxide can be fixed in nature:

i. In the process of photosynthesis, carbon dioxide is fixed by the plants.

ii. Dissolved carbon dioxide is used by many marine animals to make their carbonate shells.

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