Across
1
Raised area of land, smaller than a mountain
3
Line dividing two countries
4
Largest ocean on Earth
7
Low area between mountains
8
Largest hot desert in the world
9
Deep narrow valley with steep sides
10
Distance north or south of equator
Down
1
Half of the Earth
2
Area where water covers the soil
5
City that is seat of government
6
Seasonal heavy rainfall