Here you can see a sunset in the b_ _ _ _.
Here the main landforms are the c_ _ _ _ _.
Those two landforms are caused by the erosive action of the w_ _ _ _.
This is a V-shaped v_ _ _ _ _ and it is formed by the action of r_ _ _ _ _.
This is a _-_ _ _ _ _ _ valley and it it formed by the action of _ _ _ _ _ _ _ _.
This is a t _ _ _ _ _ _, so it is a short water course on the sides of mountains.
This is a r_ _ _ _, so it is a permanent water course with a very big erosive power.
This is the diagram of a river, it shows that rivers are divided in three courses: _ _ _ _ _, _ _ _ _ _ _, and _ _ _ _ _.
This is a photo of the C_ _ _ _ _ _ _ volcano, a great example of a g_ _ _ _ _ _.
This is an example of a g_ _ _ _ _ _ r_ _ _ _.
This is a group of w_ _ _ _ _ _ _ _ _.