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Relative humidity in cities is usually _____ compared to rural areas.
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Lower
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What is the basic reason why condensation is not very important in causing a cloud droplet to grow to raindrop size?
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Condenation is too slow
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Dew point is the temperature at which water vapor in the air begins to condense. The temperature inside a cloud would therefore be...
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About equal to the dew point
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The _______ cloud may have an "anvil head"
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Cumulonimbus
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A ________ consists of two compartments each capable of holding 0.025 cm of water.
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Tipping-bucket gauge
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When warm moist air moves over a cold surface, _______ fog may result.
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Advection
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Clouds, dew, and frost all form because air has become saturated. This condition of saturation is usually caused by...
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The air being cooled
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If ice crystals form in this cloud, they will experience the cloud environment as having a relative humidity of...
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More than 100%
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A halo around the Sun or Moon indicates the cloud _______ is present.
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Cirrostratus
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The necessary conditions for hail formation include strong upward vertical motion and...
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Large numbers of supercooled droplets
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Of the following cloud types, which is most likely to produce the most rain?
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Nimbostratus
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A cloud type that develops as a consequence of local convection is...
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Cumulus
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A wintertime form of precipitation that consists of small ice particles is called...
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None of these
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The most common way for air to be cooled in order that a cloud may form is by...
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Rising and expanding
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Freezing rain (ice storm) or sleet occurs when...
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Upper air is warm and surface air is cold
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