Answer:
D. by using different background colors for different sections
Explanation:
This can help people differentiate the different sections of your webpage.
Hope this helps!
Virus such as a Trojan or Worm, and can cause network crashes.
Answer: a profession is a job, or what you do for a living
example : a teacher is an example of proffesion
Explanation:
1. radio transmission.
2. microwave transmission
3. infrared transmission.
