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.
The Mesozoic era follows the end of the Paleozoic era.
Answer:
False.
Explanation:
The radiation weighting factor for x-rd is 1.0.
As the Earth gets hotter and hotter, more ice at the poles will melt. This will result in sea levels rising.
