I think . circular motions in the atmosphere.
Answer:
B. Dave has learned vicariously through his brother’s experience.
Explanation:
How an ultrasound is able to produce images of body structures by <span>the sound waves which reflect off of the soft tissue, and a computer converts them into sonograms or visual images. Hope this is the answer that you are looking for. Have a great day!</span>
This answer is true, I had it on my health exam last year