The nitrogen cycle is your professor’s favorite biogeochemic…

The nitrogen cycle is your professor’s favorite biogeochemical cycle. Complete the following sentences with the most appropriate choice: In the nitrogen cycle, lightning takes nitrogen from the [pool1] in the chemical form [chem1] and converts it to [chem2] which is in the [pool2]. NH4+ is converted to NO2- by the process of [process1]. When dead organisms decay, some of the nitrogen in their chemical structures are transformed to NH3/NH4+ in the process of [process2] Industrial processes convert atmospheric nitrogen to ammonia. This process is called [process3].