Across
1
Deep narrow valley with steep sides
4
Dry land with little rainfall
6
Flat elevated area of land
9
Large body of water partly enclosed by land
10
Low area between mountains
12
Mountain that can erupt with lava
Down
2
Large area covered with trees
3
Region near the equator
5
Flat grassland in tropical regions
7
Body of water surrounded by land
8
Long-term weather patterns of an area
11
Cold treeless Arctic plain