Because the molecular solutions have low melting and boiling points, and do not conduct electricity.
Hope you find this answer I need points
If we use mile or something else it will be hard to measure in sky .
Because the mile or meters too short for the space,
Galaxy and stars are too long far away from us if we use mile or meter,
It till be take like miliion year to measure.
Answer:
cold
Warm air lifted over a moving cold air mass will produce a _____ front.