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

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

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Physics
Which is evidence that supports the dynamo theory?

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

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Physics
To resolve an object in an electron microscope,

The wavelength of the electrons must be greater than the diameter of the object.
The wavelength of the electrons must be close to the diameter of the object
None of these
Both A & B

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