What did ancient Greeks and Romans use aluminum for ? In what form was the aluminum they used?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

How does the viscosity of magma change as magma cools?