HAVE SEX WITH THE CHEAPEST SAFTEY PROCAUTIONS.<span />
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.
Youth aged 15 to 24 years old are deemed to be of disadvantage due to the worldwide concerns on (1) lack of job employment opportunities, (2) low quality jobs or underemployment, and (3) lack of education or skills competent for work.
Either fix the higher blood pressure or higher heart rate
