Across
1
Body of water surrounded by land
2
Large natural stream of water
4
Goods sold to another country
7
Large natural elevation of earth
8
Deep narrow valley with steep sides
9
Total number of people in an area
10
Distance east or west of prime meridian
Down
2
Ridge of rock or coral near the surface
3
Vast body of salt water
5
Half of the Earth
6
Flat elevated area of land