1
A land mass that sometimes is very high. Teide is the highest in Spain.
2
A ravine formed by a river in an area with little rainfall. In Colorado, USA, we can find a very wide one.
3
A large natural stream of water. It starts in the mountains and ends in the sea or in the ocean.
4
An arid region with little or no vegetation. In Africa there are a lot of them.
5
A large body of water. The Atlantic and the Pacific are the biggest.
