Physics
Person who is colourblind cannot distinguish between

Yellow and white
Green and blue
Black and yellow
Red and green

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Physics
Which of the following options correctly explains the term heat budget?

It is the balance between incoming and outgoing radiation
It is a mode of transfer of heat through matter by molecular activity.
It is the radiation from the earth in the form of long waves.
It is the amount of heat which the surface of earth receives from the sun.

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