A student test two solvents (A and B) for purification an impure organic compound. It is found that the compound has low solubility in both of solvents at low temperature and soluble at boiling point. If solvent A has a lower vapor pressure compare to B. Then:

they it depends on if one believes about radioactivity, they make a geiger counter beep but maybe it was going to beep anyway electronics do wierd things all the time or it was programmed to beep near certain metals.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !