Duplicity is another words for dishonesty
Singular noun is a noun that assigns to one thing, one person and one idea. Example: Boy, Girl, Father, Mother, Man, Doctor and so on.
Turning point of a graph is the point where the graph where the graph changes from increasing to decreasing (rising to falling) or decreasing to increasing (falling to rising). For a cubic function, the critical point also serves as a turning point.
Answer
Lowercase i in It is called Patagonia, add a ' in regions, and a , after area
Explanation:
1) ...It is called Patagonia: the I in it should be lowercase
2) Very few people live in this regions wilderness: regions should be region's wilderness
3) In this incredible area six national parks: there should be a comma after area.