Environmental Science
Our seasons are caused by:

The changing distance between the earth and the sun
The length of the daylight hours
The angle at which sunlight reaches the earth
All of these
Only (b) and (c) are correct

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Environmental Science
In a temperature inversion:

Air temperature remains constant with increasing height
Air temperature decreases with increasing height
It is warmer at night than during the day
Air temperature increases with increasing height

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