Molecules in the solid phase have the least amount of energy, while gas particles have the greatest amount of energy.There are space between particles of matter. The average amount of empty space between molecule gets progressively larger as a sample of matter moves from the solid to the liquid and gas phases.

The designation Rr for a pea-plant's peas shows that the plant is a <u>true-breeding plant</u>.
The answer is A) they provide a source of energy.
Barack Obama was elected president in November of 2008. He was sworn in January 20, 2009.