Across
1
Physical features of land
5
Largest ocean on Earth
6
Ridge of rock or coral near the surface
8
Imaginary line around the middle of Earth
10
Dry land with little rainfall
11
Raised area of land, smaller than a mountain
Down
2
Distance north or south of equator
3
Large slow-moving mass of ice
4
Flat grassland in tropical regions
7
Cold treeless Arctic plain
9
Low area between mountains
12
Seasonal heavy rainfall