What is the diffrence compare and contrast?

Compare is when you are looking at two things and are pointing out what is similar between the two.
Contrast is when you are looking at two things and are pointing out what is different between the two.
You can also do both comparing and contrasting with more than two things, but it is usually done with just two.

Ok thats cool man, how was your day?

The correct answer in this question  is option c. people in mountainous areas tend to be more isolated from other populations. this is the reason why their local languages do not spread. farming is their  one way of living among the highlanders.