Across
1
Wearing away of land by water or wind
4
Raised area of land, smaller than a mountain
7
Steep rock face at edge of land
9
Half of the Earth
11
Chain or group of islands
12
Physical features of land
Down
2
Distance east or west of prime meridian
3
Largest ocean on Earth
5
Tool for finding directions
6
Largest river in South America
8
Ridge of rock or coral near the surface
10
Line dividing two countries