Across
1
Line dividing two countries
3
Total number of people in an area
4
Large slow-moving mass of ice
6
Landform where river meets the sea
9
Flat grassland in tropical regions
11
Largest hot desert in the world
12
Large natural stream of water
Down
2
Goods sold to another country
3
Flat elevated area of land
5
Mountain that can erupt with lava
7
Cold treeless Arctic plain
8
Raised area of land, smaller than a mountain
10
Distance north or south of equator
13
Low area between mountains
14
Large natural elevation of earth