She should do her best to sit him down alone, and see how he is feeling.
She needs to have a discussion with him, not an argument. If he is going through something, alcohol may just be an outlet.
The best thing is to make sure he's okay, and for her to lovingly express her concerns. =)
A.hepatitis AB is the answer
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.
It was the desire to help her children succeed
