Organisms in this kingdom can live in EXTREME environments.Angiosperms, gymnosperms, liverworts, and ferns are included in this kingdom
Cells, tissues, organ, and body system.
Answer:
d. sewage treatment and nitrous oxide
Explanation:
<span>Most organisms, including humans, can't use the free gaseous form of nitrogen found in the air. We need other organisms and natural processes to "fix" nitrogen into a solid form that plants and animals can use. Most of the nitrogen that plants and animals use is made by bacteria.</span>