Which statement is correct as a sound source moves toward a stationary observer?(1 point) Responses The speed and wavelength change; the frequency stays the same. The speed and wavelength change; the frequency stays the same. The frequency, wavelength, and speed change. The frequency, wavelength, and speed change. The frequency and speed change; the wavelength stays the same. The frequency and speed change; the wavelength stays the same. The frequency and wavelength change; the speed stays the same.