Across
1
Height above sea level
2
Large area covered with trees
5
Long-term weather patterns of an area
6
Distance east or west of prime meridian
7
Largest river in South America
8
Area where water covers the soil
9
Deep narrow valley with steep sides
Down
1
Chain or group of islands
2
Narrow sea inlet between cliffs
3
Steep rock face at edge of land
4
Imaginary line around the middle of Earth