In order for a substance to move from solid to plasma what has to occur?

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.

that would be because of both gravity and friction. so     c