It's true that a security device should be installed. The security device to be installed between a computer network and the internet is: A Firewall.
<h3>What is a firewall?</h3>
A firewall refers to a hardware or software which is like a gatekeeper that helps to protect internal networks. It monitors incoming and outgoing traffic.
Thus, we see that firewall is the security device that should be installed.
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The electromagnetic wave is self propagating, what I mean by that is, an electric field generates a magnetic field at 90 degree phase angle, and the magnetic wave you get as a result generates the electric wave at the same phase angle. The interchange of electric to magnetic and vice versa continues and lets the electromagnetic waves to travel without any medium. Quite interesting, really!
The correct answer is:
This is an example of the writer telling through description rather than showing through dialogue.
Sometimes writers like to explain explicitely what's happening instead of adding dialogues of the situations., which is the case in this passage,
Answer:
C - "Okay, I'l be your friend, But only till next Tuesday." (13)
Explanation:
You always put the page number in parenthesis next to your evidence. At least this is how we did it in my class.