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.
Answer:
Causes of narcissistic personality disorder
childhood abuse or neglect. excessive parental pampering. unrealistic expectations from parents.
My physician says that my heart is in a good condition
Explanation:
Our heart needs care because it is one of the most important organs in our body. We need to have a healthy diet and regular exercise
