Physics
For a body moving with non-uniform velocity and uniform acceleration

Velocity – Time graph is linear
Displacement – Time graph is linear
Displacement – Time graph is non-linear
Velocity – Time graph is nonlinear

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Physics
Which is evidence that supports the dynamo theory?

Convection occurs in Earth's inner core
Earth's outer core contains liquid that conducts electricity
Granite and basalt conduct electricity
Earth's core contains a large amount of iron

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Physics
The blue colour of sky is due to

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

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