Is this Conduction, Convection, or Radiation:
The top floor of a building is the warmest.

convection

Explanation:

hot air rising is a common example of heat convection

Radiation

Explanation:

Radiation is like for example the sun gives out the radiation from it's heat and for the example you have the heat from the stove is warming the house up from it's radiation waves.

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

happy to

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are there answer choices to this question? this seems like a question where you have options to choose from.