Physics
If a band is played on the moon the sound will

Be heard upto 10km from it
Reverberate
Be heard by us faintly
Not be heard at any distance at all from it

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

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

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Physics
Superconductors are those elements

Whose conductivity is intermediate between metals and insulators
Which conduct electricity only at super-high temperatures
Whose resistance falls almost to zero at very low temperatures
Which turn into insulators at very low temperatures

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