In this sentence detect means to uncover.
I would help, but do you know what the book is called?
Answer:
- Multiple types exist (the Albers conic, the equidistant conic projection and the Lambert conformal conic projection).
- Pilots use this projection type (the Lambert conformal conic projection is used for aeronautical charts).
- Poles usually serve as central points
hope i helped :)
B because it sums up the entire paragraph not just 1 or 2 key points