1) sound cannot travel through a) oceans b) liquids c) caves d) houses e) space f) forests 2) sound travels better through a) gasses b) liquids 3) sound travels at different materials a) true b) false 4) sound waves travel at the same speed a) true b) false 5) sound waves can travel through doors and walls a) false b) true

Classement

Style visuel

Options

Changer de modèle

Restauration auto-sauvegardé :  ?