I would say B but yea hopefully it’s right I’m pretty sure it is though
Answer:they are used to generate sound waves in the ultrasonic range
Explanation:transducers are used to generate sound waves in the ultrasonic range ,by turning electrical energy into sound
ANSWER: ice wedging, also known as freeze-thaw weathering
ALL sound waves are longitudinal, I know this of of many ways, I study astronomy and the sound waves of blackholes as they form. award me brainliest and I award you with a correct answer :)