_________ display contours of a 3d surface in 2d.
A. aes_contor
B. geom_contour
C. aes_gem
D. All of the mentioned
Answer:A
_________ display contours of a 3d surface in 2d.
A. aes_contor B. geom_contour C. aes_gem D. All of the mentioned
Explanation:A layer specific dataset – only needed if you want to override the plot defaults. 2. Point out the correct statement :