Environmental Science
Low clouds retard surface cooling at night better than clear skies because:

The clouds start convection currents between them
The clouds are better conductors of heat than is the clear night air
The formation of the clouds releases latent heat energy
The water droplets in the clouds reflect infrared energy back to earth
The clouds absorb and radiate infrared energy back to earth

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Environmental Science
When the air is saturated, which of the following statements is not correct?

The air temperature equals the dew point temperature
The wet bulb temperature equals the dew point temperature
The relative humidity is 100 percent
The air temperature equals the wet-bulb temperature
An increase in temperature will cause condensation to occur

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