Across
1
Low area between mountains
4
Flat grassland in tropical regions
5
Height above sea level
7
Vast body of salt water
11
Steep rock face at edge of land
12
Deep narrow valley with steep sides
Down
2
Imaginary line around the middle of Earth
3
Chain or group of islands
6
Landform where river meets the sea
8
One of seven major landmasses
9
Area where water covers the soil
10
Ocean between Americas and Europe/Africa