Dear I need to interview a computer scientist / engineer so of you are one could you respond to this question?

Light travels at a speed of 186,000 miles a second. the distance light travels in a year is 5,865,690,000,000 miles/year 5,865,695,000,000 miles/year 58,656,950,000,000 miles/year 6,789,000,0000 miles/year

Explain how email technologies enable the exchange of messages between users. find out the typical parts of an email address and explain each part.

What is the biggest difference between section breaks and regular page breaks