Log ind
Physics for IGCSE & O level - Rays And Waves (Section 8 - No. 39)
Which of these is required for sight?
Sound
Light
Wind
All of the above
Forklaring
Sight is possible due to light.
Kommentarer (0)
Log ind for at kommentere
Reklame
Tillad, at javascript indlæser denne side korrekt