Yes, there are mountains and valleys in Antarctica.
no. Unfoutanetly there isnt any vshaped valleys in the nile
valleys some of the tallest mountains and deepest valleys known in the solar system.
no
no
There are several valleys in Chile. Some are bigger than others. Three are the Lutha, Codpa, and Azapa Valleys.
It has craters, caused by meteors hitting it. It also has valleys. You can exlopre it using Google Earth and there are some huge valleys.
Yes
yes
YES
Uranus is a gas giant, meaning it has no solid surface, so no valleys.
Yes, of course there are valleys in West Virginia. The state is nicknamed "The Mountain State," so wherever there are mountains, there will be valleys.