It depends on how you use it. If an individual is using a cellphone for his/her entertainment even though the professor/teacher is having a lecture, then it is unethical. But if the individual is using his/her own phone for an emergency matter then it should be considered.
Answer:
C. mexico city has wome of rhe worst air pollution
Answer:October 32
Explanation:
I looked it up on Wikipedia
Answer:
Torwards the end of Canada
Explanation:
Many people in Canada barter to trade goods for less fortunate places so look it up