Environmental Science
Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:

Convection
Conduction
Radiation
Latent heat

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Environmental Science
The wind direction is:

Always directly from low toward high pressure
The direction from which the wind is blowing
Always directly from high toward low pressure
The direction to which the wind is blowing

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