Prisijunkite
Physics for IGCSE & O level - Waves And Sounds (Section 5 - No. 31)
Which of these options can be cleaned with ultrasound?
A rusty car
Dirty jewelry
A greasy engine
All of the above
Komentarai (0)
Prisijungti Norėdami komentuoti
Skelbimas
Leiskite javascript tinkamai įkelti šį puslapį