<span>from low concentration to high concentration</span>
This type of wave is a transverse<span> wave. </span>Transverse<span> waves are always characterized by particle motion being perpendicular to wave motion.</span>
C. there is an equal amount of day and night everywhere on earth.
Its the Eccentricity of the earth. (shape of Earth's Orbit around the sun, whether it is more circular or ovular.)
