Answer:
privacy: a state in which one is not observed or disturbed by other people.
space: a continuous area or expanse which is free, available, or unoccupied.
surveillance: being watched or kept
Explanation:
The right answer for the main lesson would be <u>security</u>,
In security, you can watch others (surveillance) and at the same time you could be secure and be away form others (space and privacy)
Answer:
Maybe you could write because people are consentrating on their phones juring class.
Maybe they are skipping lessons .
Maybe the teachers are sleeping in class because they did not get their full sallery.
B. measuring is the answer because you need to know how to measure
