Ejemplos de refracción del sonido, reflexión de sonido, eco, reverberación y resonancia
no importa si solo saben una, escribanla por favooor

Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9