Physics
Skids occur when the brakes are applied so hard that the front or rear wheels lose traction are called as

Power
Blowout
Cornering
Braking

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Physics
The blue colour of sky is due to

Reflection of sunlight
Scattering of longer wavelengths of sunlight in the atmosphere
Scattering of shorter wavelengths of sunlight in the atmosphere
Refraction of sunlight

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