Across
1
Steep rock face at edge of land
3
Half of the Earth
7
Low-lying land surrounded by higher ground
8
Distance east or west of prime meridian
10
Largest river in South America
11
Region between the two tropic lines
Down
2
Body of water surrounded by land
4
Large slow-moving mass of ice
5
Largest ocean on Earth
6
Seasonal heavy rainfall
9
Goods sold to another country
12
Area where water covers the soil