True, they were both devoted to find a cure for the plague.
Answer:A text on fake news at time of pandemic
Explanation:
Just for the people who didn't know what it says
Keep your feet planted firmly in the stirrups and slightly extend your legs so that you are putting pressure on the stirrups like you are going to stand up.
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.
