Are their any multiple answer's ?
Canals and inland waterways, natural or artificial waterways used for ... The lay of the land (topography) and particularly changes in water levels ... inland waterway transport is still more economical than any other kind of transport.
All of them Plays an equal and important role to support life on Earth..
Answer:
The difference in elevation in meters between the points X and Y is 360.
Explanation:
On the presented map we can see that the relief is depicted with contour lines. The contour lines are marked with their elevations, or rather the main contour lines are, every fifth one.
Hoped this helped!!!! Have a nice day. =)