Across
1
Large slow-moving mass of ice
5
Wearing away of land by water or wind
7
Body of water surrounded by land
8
Imaginary line around the middle of Earth
9
Region near the equator
10
Large area covered with trees
Down
2
Largest river in South America
3
Vast body of salt water
4
Distance east or west of prime meridian
6
Largest ocean on Earth