Environmental Science
The combination of nitrogen oxides and hydrocarbons in the presence of the sunlight causes

Smog
Global warming
Acid rain
Ozone hole in the atmosphere

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Environmental Science
Which of the following statements is not correct?

During the winter, low relative humidity can irritate the mucus membranes in the nose and throat.
The relative humidity is a measure of the air's actual water vapor content.
A change in the air temperature can change the relative humidity.
The length of human hair changes as the relative humidity changes.

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Environmental Science
Suppose it is a winter night and at about 11 p.m., the air cools to the dew-point temperature and a thick radiation fog develops. If the air continues to cool during the night, in 5 hours the dew point temperature will probably:

Increase as the air becomes moister
Increase as the air becomes drier
Decrease as the air becomes drier
Decrease as the air becomes moister

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