Physics
Pycnometer is an instrument used to measure the

Intensity of solar radiation
Density
Intensity of earthquake
High temperatures

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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
Igneous intrusion for when ice crystals splash into lava
Magma explodes to the surface and forms a smooth outer layer of rock

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