Coins are mixtures of solid in solid. smoke is a mixture of (solid in gas, gas in solid)

The answer is solid in gas.

hope this helps:D

explanation: magnetic pole, region at each end of a magnet where the external magnetic field is strongest. the south-seeking pole, or any pole similar to it, is called a south magnetic pole. unlike poles of different magnets attract each other; like poles repel each other.

i don’t know what the answer is i wish i