Physics
The oil in the wick of an oil lamp rises up due to:

Gravitational force
Pressure difference
Low viscosity of oil
Capillary action

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Physics
Which statement best describes an igneous intrusion?

Magma is exported to an open area and forms iron
Magma is injected into surrounding rock forming an igneous intrusive
Magma explodes to the surface and forms a smooth outer layer of rock
Igneous intrusion for when ice crystals splash into lava

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