Physics
An ice block with a piece of lead embeded in it floats in water. If ice melts the water level

Falls first and then rises
Remains same
Rises
Falls

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

Protons and electrons being attracted to each other
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
Energy being converted into moles of atoms when neutrons break apart protons

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