Prokaryotes perform a variety of roles in the nitrogen cycle. Nitrogen-fixing bacteria convert nitrogen gas in the atmosphere to ammonia in the soil and within the root nodules of some plants. Nitrifying bacteria convert ammonia to nitrites or nitrates. Denitrifying bacteria convert nitrates to nitrogen gas.
Protection of their Natural Rights. How did Thomas Jefferson justify breaking away from Britain in the Declaration of Independence? He explained how the British government had Absolute Power and was violating the colonists' Natural Rights. ... To declare our independence from Britain and justify the American Revolution.
The 1920s was a decade of lots social changes. The most obvious signals of change were the rise of a consumer-oriented economy and of mass entertainment, which helped to bring about a "revolution in morals and manners." Sexual mores, gender roles, hair styles, and dress all changed profoundly during the 1920s.
