Across
1
Largest ocean on Earth
5
Seasonal heavy rainfall
6
Region surrounding the North Pole
7
Largest river in South America
9
Wearing away of land by water or wind
12
Chain or group of islands
Down
2
Large natural elevation of earth
3
Large slow-moving mass of ice
4
Total number of people in an area
7
Ocean between Americas and Europe/Africa
8
Distance north or south of equator
10
Tool for finding directions
11
One of seven major landmasses