The graph below compares the motion of particles in two substances. one substance is a gas and the other is a solid.
particle motion
particle speed
substance
which statement best describes the two substances?
particles are closer together in solids so substance b is a solid.
particles are farther apart in solids so substance a is a solid
particles are farther apart in gases so substance b is a gas.
particles are closer together in gases so substance a is a gas

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.

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explanation:

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?