Across
1
Landform where river meets the sea
4
Distance north or south of equator
5
Largest river in South America
6
Ocean between Americas and Europe/Africa
8
Total number of people in an area
12
Distance east or west of prime meridian
13
Line dividing two countries
Down
2
Flat grassland in tropical regions
3
Large slow-moving mass of ice
7
Ridge of rock or coral near the surface
9
One of seven major landmasses
10
Body of water surrounded by land
11
Steep rock face at edge of land