EVERYDAY SCIENCE

SCIENCE

ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How nitrogen is “fixed” into useable form for plants
A
through action of bacteria
B
through lightning
C
through action of bacteria & lightning
D
through photosynthesis
Explanation: 

Detailed explanation-1: -Some bacteria in the soil can turn ammonia into nitrites. Although nitrite is not usable by plants and animals directly, other bacteria can change nitrites into nitrates-a form that is usable by plants and animals. This reaction provides energy for the bacteria engaged in this process.

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