Environmental Science
Solar radiation reaches the earth's surface as:

Infrared radiation only
Visible radiation only
Ultraviolet, visible, and infrared radiation
Ultraviolet radiation only
Visible and infrared radiation only

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Environmental Science
The lag in daily temperature refers to the time lag between the:

Minimum and maximum temperature for a day
Time of maximum solar radiation and the time of maximum temperature
Time of minimum temperature and the time of maximum solar radiation
Minimum and maximum solar energy received at the surface for a given day
Sunrise and sunset

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