Across
1
Area where water covers the soil
4
Long-term weather patterns of an area
7
Largest ocean on Earth
8
Deep narrow valley with steep sides
9
Total number of people in an area
10
Ocean between Americas and Europe/Africa
11
Chain or group of islands
Down
2
Wearing away of land by water or wind
3
Large slow-moving mass of ice
5
Large area covered with trees
6
Height above sea level