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.
I believe that it would be A.It's a natural part of our everyday lives, even though some stress can be beneficial but not in large amounts
False. If you were to limit water intake then performance would be hampered.
Eliminating junk food and not constantly eating snacks. If you don't eat these things, you will be eating a healthy diet.
My personal, tentative wild guess is: <em>apnea</em>
