2 is the answer I THINK look at other ones first
Answer:
in the process of cutting down so many trees harmed the environment to the point where all animals had to leave even the factory workers left the factory once the last Truffula Tree was chopped down
In order for plants to assimilate nitrogen directly into their system, the nitrogen must be in the form of nitrates. Nitrogen in the air and ammonia from decayed matter in the soil is converted to ammonium by decomposers and nitrogen-fixing bacteria. The ammonium is further nitrified to nitrates by nitrifying bacteria. Finally, the nitrates can then absorbed by the plants.
