Answer:
Cleaning.
Explanation:
Ultrasound are the high sound waves that has the frequency above than 20kHz. The ultrsonic sound can be detected by animals like bats and has medical importance as well.
The cleaning of the medical instruments and machines are done by ultrasonic cleaners. These cleaners uses the ultrasonic waves to clean the dirt and needs a proper solvent medium for cleaning. The cavitation bubbles are produced that are used for cleaning.
Thus, the correct answer is cleaning.
That seems like something you would need to call the business you are seeking an appointment with on a daily basis, to find out if they've had any cancellations. Some businesses have ways to set appointments online, but not all of them do.
<span>Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.</span>