1.
During the time of Linnaeus and the first classification of life, there were kingdoms.

2
3
5
2.
In 1969, Whittaker proposed moving the from the kingdom Plantae to a separate kingdom due to structural and metabolic differences.

Protista
Monera
Fungi
3.
Woese introduced a new method of classifying life on Earth when he introduced the , defined as a taxon higher than the kingdom.

clade
domain
Supra-kingdom

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .