Across
1
Mountain that can erupt with lava
5
Deep narrow valley with steep sides
6
Landform where river meets the sea
8
Vast body of salt water
10
Imaginary line around the middle of Earth
11
Region near the equator
Down
2
Largest ocean on Earth
3
Area where water covers the soil
4
Flat grassland in tropical regions
7
Region surrounding the North Pole
9
Physical features of land
