Answer:
I A
Explanation:
Vibration can simply be explained as the the action of moving back and forth quickly and steadily. And , It should be understood that sound wave is produced when an object vibrates.
It should be noted also that sound waves travel through solid, liquid and air or gas.
Therefore, it means that sound waves are not created by vibration but created or produced only when something is caused to vibrates.
Answer:
Department Interior
Explanation:
Hi! Other than the Post Office, the Department Interior grew into the largest and most important federal department.
The steps that an average citizen take to limit his or her exposure to CWA agents include the use of protective equipments and using gas mask.
<h3>Who is a citizen?</h3>
It should be noted that a citizen simply means a legally recognized individual of a country.
In this case, the steps that an average citizen take to limit his or her exposure to CWA agents include the use of protective equipments and using gas mask.
Learn more about citizens on:
brainly.com/question/921569
