Answer:
<u>1</u><u>)</u><u>Amplitude</u>
<u>2</u><u>)</u><u>Modulation</u>
<u>3</u><u>)</u><u>Frequency</u><u> </u>
<u>4</u><u>)</u><u>Modulation</u>
I will encourage my friends and my family to check and update their emergency contact information by giving them the reason why they should do so. I will tell them that it is very important to have the emergency contacts that are accessible and reachable<span>. In case of emergencies, it is very vital that someone can help them right away.</span>
In the way that it says it
Students <u>who purchase parking spots</u> are able to park in the lot closet to the entrance.
The underlined part of the sentence is a restrictive clause.
<em>A restrictive clause is an adjective clause that adds essential information to a sentence.</em>
