A parcel of air at 25°C is completely saturated with a vapor pressure of 30 mb. Cloud formation removes water vapor from the atmosphere resulting in a new vapor pressure of 15 mb at the same temperature of 25°C. What is the relative humidity of the parcel of air at 25°C and 15 mb?
A) 15 mb
B) 50%
C) 50 mb
D) 15%
B) 50%
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Complete Table 18.1 for any three of the above eruptions. How much of an effect do these eruptions have on global temperatures? How much do they change global temperatures? How many years does it take for the climate to return to a normal temperature after a major eruption?
Choose the correct listing of radiation from the LONGEST wavelengths to the shortest wavelengths:
A) radio, gamma rays, ultraviolet, visible, infrared, x-rays. B) gamma rays, radio, ultraviolet, infrared, visible, x-rays. C) x-rays, ultraviolet, infrared, gamma rays, visible, radio. D) radio, infrared, visible, ultraviolet, x-rays, gamma rays.
Earth's six principal subsystems are ____________________, ____________________,
____________________, ____________________, ____________________, and ____________________. Fill in the blank(s) with the appropriate word(s).
What molecule(s) is/are produced when hydrogen is used as an energy source?
A) Water B) Sulfur oxides and nitrogen oxides C) Carbon dioxide and nitrogen oxides D) Carbon monoxide