Mag-sign In
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
Paliwanag
Sight is possible due to light.
Mga komento (0)
Mag-login Upang Magkomento
Advertisement
Payagan ang javascript na i-load nang maayos ang page na ito