Across
1
City that is seat of government
3
Wearing away of land by water or wind
7
Largest hot desert in the world
8
Tool for finding directions
9
Imaginary line around the middle of Earth
Down
2
Distance east or west of prime meridian
4
Low-lying land surrounded by higher ground
5
Deep narrow valley with steep sides
6
Large natural elevation of earth
10
Body of water surrounded by land