Which of the following best describes the effects of water pollution on aquatic ecosystems? a. It can result in fish kills and restrictions on human consumption.
b. It can change the physiology of fish.
C. It can cause long-term alterations of aquatic ecosystems.
d. All of the above
Please select the best answer from the choices provided
A
B
С
D

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 .