Practice problem
Which series of conversions in the nitrogen cycle is correct?
Ammonia →\rightarrow→ Ammonium →\rightarrow→ Nitrogen
Nitrate →\rightarrow→ Nitrite →\rightarrow→ Nitrogen
Nitrogen →\rightarrow→ Ammonia →\rightarrow→ Nitrite
Nitrogen →\rightarrow→ Nitrite →\rightarrow→ Nitrate
Type a concept, like “slope” or “photosynthesis”.
