Across
1
Low-lying land surrounded by higher ground
3
Ridge of rock or coral near the surface
6
Total number of people in an area
8
Wearing away of land by water or wind
9
Largest ocean on Earth
10
Distance north or south of equator
Down
2
Region near the equator
2
Region between the two tropic lines
4
Long-term weather patterns of an area
5
Low area between mountains
7
Goods brought in from another country
10
Body of water surrounded by land
11
Mountain that can erupt with lava