World Geography
The slow down slope movement of soil and sediment because of frost heaving and thawing is called

gelifluction
rockfall
frost creep
solifluction

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World Geography
Which among the following principle is used by Bats?

SONAR (Sound Navigation & Ranging
law of reflection
law of diffraction
RADAR (Radio Detective & Ranging

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

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

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