Across
1
Land surrounded by water on three sides
6
Largest river in South America
9
Largest ocean on Earth
11
Physical features of land
12
Large area covered with trees
Down
2
Landform where river meets the sea
3
Height above sea level
4
City that is seat of government
5
Ocean between Americas and Europe/Africa
7
Flat grassland in tropical regions
8
Imaginary line around the middle of Earth
10
One of seven major landmasses