Question

state two ways in which atmospheric carbon dioxide is fixed​

Answer 1

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The two was by which the atmospheric carbon dioxide fixed are;

⏩ By the process of photosynthesis.

⏩ Many marine use Carbonates (CO3) dissolved in sea water to make their cells.

⏩ It get dissolved in water on the term of bicarbonate or carbontes ( HCO3) which gives rise to carbonates rock.

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Answer 2

$Explanation$

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.