Sia
Question
Biology
Posted 7 months ago
In which stage of the nitrogen cycle is atmospheric nitrogen converted into biologically usable forms?
Choose 1 answer:
(A) Denitrification
(B) Nitrogen fixation
(c) Precipitation
D) Cellular respiration
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Answer from Sia
Posted 7 months ago
B
Key Concept
Nitrogen fixation
Explanation
Nitrogen fixation is the process in which atmospheric nitrogen (N₂) is converted into biologically usable forms, such as ammonia (NH₃), by certain bacteria and archaea. This is a crucial step in the nitrogen cycle, allowing plants to assimilate nitrogen for growth.
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