Wich of fowllowing is not a force that would act on a skateboard rolling down a ramp 1.gravity 2.air resistance 3.rolling friction 4.statuc fraction

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead

Identify two types of chemical bonding in the source of dietary potassium