If the strength of the action force is halved, what happens to the strength of the reaction force?

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

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.

Two cans on a sunny window one black and the other white construct and explanation of the effect of sun will have on both cans over a two hour period?