World Geography
The main types of air mass include maritime tropical(mT) maritime polar(mP) maritime arctic(mA)continental polar(cP)

I, II
I, IV
I, II, III
All of these

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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 main objective of multi-purpose river projects are

flood controls and making rivers navigable
power generation by constructing hydro power stations
extension of irrigation facilities by constructing dams to store surplus water during the rainy seas
All of these

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