Physics
The absolute zero is a temperature at which ________

All gases become solid
Molecular motion in a gas would cease
Water freezes
All gases become liquid

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Physics
Holography is a technique of

Recording a permanent three dimensional photograph of a given single colour or a multicolour
Recording a permanent three dimensional black and white photograph
Recording a permanent three dimensional multicolour photograph
Recording a permanent, sharp two diimensional black and white or multicolour photograph

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Physics
The mass defect is the result of what action occurring?

Mass being converted to energy when protons and neutrons bind together in a nucleus
Protons and electrons being attracted to each other
Mass being converted to energy when protons and neutrons break apart in a nucleus
Energy being converted into moles of atoms when neutrons break apart protons

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