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The percentage of water vapor present in the air compared to that required for saturation
At what time of day is the relative humidity normally at a minimum?
When the air temperature is highest
If the air temperature remains constant, evaporating water into the air will __ the dew point and __ the relative humidity
As the air temp increases, w/ no addition of water vapor to the air, the dew point will:
remain the same
On a humid day, the ___ causes salty potato chips left outside in an uncovered bowl to turn soggy
attraction of water by hdygroscopic condensation nuclei
Condensation nuclei may be
Particles of dust
Nitric acid particles
Smoke from forest fires
Salt from the ocean
Condensation nuclei are important in the atmosphere because
they make it easier for condensation to occur in the atmosphere
If fog is forming in Denver, CO, and the wind is blowing from the east, the the fog is most likely
Which cloud type is composed of ice crystals and can form a halo around the moon or sun?
The small smooth cloud that may form just above the top of a towering cumulus cloud is a
On an infrared satellite picture, low warm cloud appear ___ and high cold clouds appear ___
Orbit the earth once a day
Remain above a fixed spot on the equator
Are placed in higher orbits than most polar orbiting satellites
On humid days, salt in saltshakers sometimes becomes moist and no longer pours out easily. The salt can be described as
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