Which of the following is TRUE about Earth's atmosphere?
A) It is denser at higher altitudes.
B) It allows gamma rays and X-rays reach the surface.
C) The ozonosphere and ionosphere shield the surface from harmful radiation.
D) Variable gases are the dominant gases in the atmosphere.
C
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The maximum specific humidity of air at 20°C (68°F) is 15g. If a kilogram of air at 20°C (68°F) has a specific humidity of 7.5 g/kg, what is its relative humidity? Show your work
A. 30% B. 75% C. 50% D. 70%
What are Rossby waves, how do they vary seasonally, and what sort of impact can they have on weather?
What will be an ideal response?
A large-scale map represents a small portion of surface area at a high level of detail. Which fractional unit is NOT considered to be large-scale?
A) 1/10 B) 1/1,000 C) 1/10,000 D) 1/10,000,000
Bathymetry
What will be an ideal response?