Question: Bayan nitrogen ya zama wani ɓangare na lithosphere, menene canji na gaba da nitrogen zai yi?
Options:
amfani dashi azaman sinadari ta shuke-shuke
ƙwayoyin cuta na cikin ƙasa su gyara 
an sauya shi zuwa oxygen
shiga cikin sararin samaniya ta hanyar walƙiya
Answer: B