Across
1
Largest ocean on Earth
4
Largest river in South America
5
Large area covered with trees
7
Long-term weather patterns of an area
10
Total number of people in an area
11
Tool for finding directions
12
Land surrounded by water
Down
2
Area where water covers the soil
3
Large slow-moving mass of ice
4
Height above sea level
6
Seasonal heavy rainfall
8
Flat elevated area of land
9
Ridge of rock or coral near the surface