What is the wavelenght and the frequencen of walkie-talkie?

Dissolved in many gasolines are cleaning agents and anti-knock additives. These cleaning agents and additives are an example of A) solids. B) solutes. C) solutions. D) solvents.

What is transferred to an object when is done A:energy B:force C:effort D:resistance

As waves travel away from a source of light, they spread over a larger area. Which describes the effect of distance on the intensity of light?

Many people believe that the atomic number of the atom is the number of electrons in the atom. Describe when this is the case

Sound waves are ___ waves & must have a medium to travel through

An atom of nitrogen has five valence electrons. How could a nitrogen atom become more chemically stable

Mirages are due to: interference refraction reflection scattering

As you throw a ball, you exert a force on that ball of 4.2 N. You exert this force on the ball while the ball moves a distance of 0.50 m. The ball then leaves your hand and travels a horizontal distance of 8.5 m to your friend.

How does folding change rock layers

Why is mass movement more common after a heavy rainfall?