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
Latent heat
Conduction
Radiation

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Environmental Science
What is the cause of the Exxon Valdez?

a plane which crashed and caused death of human life
a ship which wrecked on the coast of India
Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.
none of these.

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