a) Atmospheric nitrogen is converted to compounds of nitrogen in the soil by_____,____,______
b)_______is another way in which nitrogen get fixed in the soil.
c) The death of the plants and animals lead to the release of_______
d) compounds of nitrogen in the soil can be taken up by______.
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Explanation:
A)Bacteria such as rhizobium and certain blue-green algae present in the soil can fix atmospheric nitrogen and convert into usable nitrogenous compounds, which are used by plants for the synthesis of plant proteins and other compounds.
B)Nitrogen is fixed, or combined, in nature as nitric oxide by lightning and ultraviolet rays.
C)When plants and animals die, their bodies, wood and leaves decays bringing the carbon into the ground.
D)This process is called nitrification.
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