The best answer would be B for the first part is, in fact, a question.
1: Find area of triangle formed by 3 points. if not zero they can form triangle.
2: Find line equation of 2 vertices and check if the 3rd vertices is present on this line. if not they can form triangle. Similarly Find the slope of the line joining points A and B,then find the slope of the line joining A and C.If they are same,then you can't draw a triangle.
Places at a higher latitude have less sunlight
Answer:
introduction help the reader to know what the report is about and reasons for writing it
