Question

waves transfer energy, not matter.
true
false
question 3 (1 point)
listen
what would be an example of a disturbance that could cause a wave?
talking, which vibrates vocal cords and creates sound waves.
dropping an object in water, where the impact creates ripples that spread outward.
earthquakes, which cause sudden shifts in earths crust that send out waves that shake buildings.
all of the above are examples of disturbances that cause waves.

Explanation:

• Talking: Vocal cord vibrations create sound waves. Sound is a wave that transfers energy (e.g., we hear due to sound wave energy reaching ears).
• Dropping object in water: Impact causes ripples (water waves). Water molecules move up and down (energy transfer), not the matter (water itself doesn't move long - distance in the direction of wave propagation).
• Earthquakes: Sudden crust shifts generate seismic waves. These waves transfer energy (cause buildings to shake), not the Earth's crust matter moving long - distance in wave direction.

Answer:

All of the above are examples of disturbances that cause waves.