World Geography
The type of igneous rock that form from magma is a function of

the rate of cooling, which influences the crystallisation process
temperature of solidification
the chemical composition of the magma
All of these

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World Geography
The periodic rise and fall of the sea level on the earth, gives rise to tides. This is related to

infrared rays from the sun
the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun
None of these
ultraviolet rays from the sun

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