World Geography
Lake Ontario is situated in which among the following countries?United StatesCanadaGreenlandSelect the correct code from the options given below:

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

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World Geography
What are secondary mineral deposits formed in caves called?

Speleogenesis
Ejecta Blanket
Speleothems
Pyroclastic debris

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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
the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun
ultraviolet rays from the sun
infrared rays from the sun

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