The uniformitarian principle states that:
landforms were created by fast changes.
catastrophic events very likely changed the earth's surface.
slow processes of erosion and deposition created landforms.
the earth was once completely covered with water.

What is the relationship of air masses and the temperature of oceans?

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

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 .