Across
1
Raised area of land, smaller than a mountain
3
Wearing away of land by water or wind
4
Dry land with little rainfall
7
Low-lying land surrounded by higher ground
8
Steep rock face at edge of land
10
Large slow-moving mass of ice
12
Seasonal heavy rainfall
Down
2
Goods brought in from another country
5
Flat grassland in tropical regions
6
Distance east or west of prime meridian
9
Large body of water partly enclosed by land
11
Region between the two tropic lines
13
Low area between mountains
14
Largest river in South America
15
Large natural stream of water