Josie draws models of the particles within a substance. Which model best represents the particles in a solid?

D
A
B
C

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

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

What is the standard unit of measure for acceleration?