Which of the following is the mountain stage of river?
a) The upper course
b) The middle course
c) The lower course
d) none of these
Which of the following are the features of river?
a) valleys
b) water falls
c) gorges
d) all of these
Which of the following is the most famous waterfalls in North America?
a) Niagara Falls
b) coastal falls
c) both a & b
d) none of these
Which of the following course is also called the mature stage of river?
a) middle course
b) upside course
c) both a & b
d) all of these
Which of the following course is called the old stage of river?
a) middle course
b) lower course
c) both a & b
d) none of these
Which of the following rivers have triangular deltas?
a) Nile
b) Indus
c) Hwang-Ho
d) all of these
