What are the two conditions needed for sodium chloride to conduct electricity

Why does his teacher ask him to balance the equation by including the correct coefficient

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

Northern was a learned a fairly cold climate caused by see one from the atlantic ocean, but se was real and tends to be much warmer, sonia look good causes difference. a. cool wins cannot blow across a leg into the south mountains, b. prevent cold air from blowing over into south sea, c.the south is at much higher elevation, so it is closer to the sun, d. suppose early and has a sperience a drastic climate change in the past few years.