World Geography
Which among the following pairs is/are correctly matched?Horst – Depressed block of planetary crust bordered by parallel faultsOceanic trench  – Depressed block of planetary crust bordered by parallel faultsSelect the correct code from the options given below:

Neither 1 & 2
Both 1 & 2
Only 2
Only 1

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

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

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World Geography
Which among the following statements is/are correct about Density of ocean water?Salinity is inversely related to seawater density.Seawater density decreases with increasing salinity and vice versa.Select the correct code from the options given below:

Neither 1 & 2
Only 1
Both 1 & 2
Only 2

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