Across
1
Large area covered with trees
4
Largest river in South America
5
Narrow sea inlet between cliffs
7
Imaginary line around the middle of Earth
8
Large slow-moving mass of ice
10
Wearing away of land by water or wind
Down
2
Deep narrow valley with steep sides
3
Goods sold to another country
6
Mountain that can erupt with lava
9
Long-term weather patterns of an area