Help, please
Whoever gets it correct will get the brainiest.

What is a property of a double replacement reaction

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

Plzzz ? which stores information in discrete steps? a magnet and coil of wire compact discs plastic records amplified speakers