Today, air travel allows large numbers of people to move quickly over long distances. which of the following is a likely effect of air travel technology?
diseases will be spread more quickly.
cultures will become more distinct from each other.
international trade will become less common.
news will travel more slowly from one place to another.
answer; //// i believe that the correct answer is (a)
all you have to do is press on the little paperclip. ; )