World Geography
When did the Supercontinent Pangaea begin to break up?

200 million years ago
2000 million years ago
500 million years ago
50 million years ago

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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

None of these
ultraviolet rays from the sun
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

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World Geography
Which among the following important factors affect the atmospheric temperature?Cloud coverDistribution of land and SeaElevationAspectSelect the correct code from the options given below:

1, 2, 3 & 4
Only 1
Only 1 & 3
Only 1, 2 & 3

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World Geography
The relative abundance of dissolved salts in seawater in descending order is as follows

sodium, chlorine, magnesium, potassium, sulphate, calcium
chlorine, sodium, sulphate, magnesium, calcium, potassium
chlorine, sodium, magnesium, calcium, potassium, sulphate
chlorine, magnesium, calcium, sodium, potassium, sulphate

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