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:
males have one x and one y chromosome tho if its one choice its most likely y
Explanation:
They often blame someone else for something they did. They can also give a reason for why they can or cannot do something. They also make excuses.
Explanation:
D would make the most money, but it's up to you! :)
This is an example of good communication.
