Which contains the particles that are vibrating fastest?
- water
- copper
- aluminum
- dry air

Your answer would be dry air.

I hope this was helpful!

by cartels in other countries, shipped by air, mail, or land. i cant really see your answer choices : /

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.