What kind of waves do cellar telephones use to transmit amend recive signals

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

When the water vapor cools it condenses select a number that represents his process on the

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers