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: Health officials use three types of data to link illnesses to contaminated foods and solve outbreaks: epidemiologic, traceback, and food and environmental testing.
We don't know what the options are so we can't help you with this question.
You need to put the picture
AIDS because it is incurable, however since there are treatments available, AIDS can still go dormant. it is also the least bit noticeable to the naked eye.
hope this helped hun.