Noise-canceling headphones often utilize the wave behavior of interference to make the music you want to hear louder and the noises around you silent. Using your understanding of interference, explain how this would be possible​

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

How does a phase diagram does a phase diagram indicate when a substance is changing pha a. the temperature rises during a phase change. b. the temperature is constant during a phase change. c. the temperature falls during a phase change. the temperature changes 20 degrees celsius during a phase change

If a weighted, air-filled balloon sinks in a lake, it will a. be buoyed up with constant force while sinking b. probably sink to the bottom and probably rise later c. sink until it reaches equilibrium and then remain at constant depth d. always sink to the bottom e. none of the above