Across
1
Ridge of rock or coral near the surface
3
Largest river in South America
5
Goods sold to another country
7
Deep narrow valley with steep sides
8
Line dividing two countries
11
Mountain that can erupt with lava
12
Large natural elevation of earth
Down
2
Landform where river meets the sea
4
Distance east or west of prime meridian
6
Low-lying land surrounded by higher ground
9
Large area covered with trees
10
Seasonal heavy rainfall
13
Large natural stream of water
14
Region near the equator