Across
1
Large natural stream of water
3
Flat grassland in tropical regions
6
Distance east or west of prime meridian
7
Steep rock face at edge of land
10
Line dividing two countries
12
Flat elevated area of land
13
Total number of people in an area
Down
2
Body of water surrounded by land
4
Distance north or south of equator
5
Landform where river meets the sea
8
Large body of water partly enclosed by land
9
Largest hot desert in the world
11
Piece of land jutting into the sea