a) an ascending gradient meets with another ascending gradient
b) an ascending gradient meets with a descending gradient
c) a descending gradient meets with another descending gradient
d) an ascending gradient meets with a level surface
Ans: b
a) an ascending gradient meets with another ascending gradient
b) an ascending gradient meets with a descending gradient
c) a descending gradient meets with another descending gradient
d) an ascending gradient meets with a level surface
Ans: b