Across
1
Where river meets the sea
4
Cold treeless Arctic plain
5
Large natural stream of water
6
Land surrounded by water on three sides
8
Distance east or west of prime meridian
10
Steep rock face at edge of land
Down
1
Wearing away of land by water or wind
2
City that is seat of government
3
Deep narrow valley with steep sides
7
Dry land with little rainfall
9
Distance north or south of equator