Physics
'Mirage' is an example of

Total internal reflection of light only
Dispersion of light only
Refraction and total internal reflection of light
Refraction of light only

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Physics
Air moves from the region where the air ________

Pressure is high to the region where the pressure is low
Pressure is low to the region where the pressure is high
Humidity is low to the region where the humidity is high
Humidity is high to the region where the humidity is low

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