Physics
What factors contribute to global winds?

All of these
Coriolis Effect
Uneven warming of the earth by the sun
Convection Cells

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Physics
It is easier to roll a stone up a sloping road than to lift it vertical upwards because

Work done in lifting the stone is equal to rolling it.
Work done in rolling is more than in lifting.
Work done in both is same but the rate of doing work is less in rolling.
Work done in rolling a stone is less than in lifting it.

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