How is it possible for white dwarf stars to have lower luminosity than the sun even though the sun is cooler than white dwarfs?

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.

Mark creates a graphic organizer to review his notes aboutelectrical force.which labels belong in the regions marked x and y?