Calculela masa de la tierra, siendo la distancia entre la tierra y la luna 4 x 108m y el periodo de revolución de 28 días.

Which object is most likely represented by a dot?

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.

Ionic compounds can be readily dissolved in water because the high dielectric constant of water screens and decreases the force between the oppositely charged ions.