What should Isla write in the areas marked A, B, and C?
A
A: Has a longer wavelength B: Travels at the same speed C: Has a higher frequencyB
A: Has a longer wavelength B: Can travel only through matter C: Has a higher frequencyC
A: Has a higher frequency B: Travels at the same speed C: Has a longer wavelengthD
A: Has a higher frequency B: Can travel only through matter C: Has a longer wavelength