Across
1
Ridge of rock or coral near the surface
3
Vast body of salt water
4
Physical features of land
7
Long-term weather patterns of an area
11
Flat elevated area of land
13
Largest river in South America
Down
2
Distance east or west of prime meridian
5
Flat grassland in tropical regions
6
Large slow-moving mass of ice
8
Low area between mountains
9
Goods brought in from another country
10
Mountain that can erupt with lava
12
Large area covered with trees