B) a courtesy
Hope this helped! Also trying to get brainliest!
Answer:
i beleive it is c. hope it helps
Explanation:
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.
Learn more about firewall on brainly.com/question/11914227
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Answer: C. carry on cellular respiration
Trees are living things yet they don't move.
I would say either A or C. Well sounds better. C
