Across
1
Mountain that can erupt with lava
4
Distance north or south of equator
6
Largest ocean on Earth
7
Large slow-moving mass of ice
8
Region between the two tropic lines
9
Ridge of rock or coral near the surface
Down
2
Distance east or west of prime meridian
3
Low area between mountains
5
Goods sold to another country
10
Flat grassland in tropical regions