Across
1
Imaginary line around the middle of Earth
3
Deep narrow valley with steep sides
4
Wearing away of land by water or wind
7
Land surrounded by water
9
Large body of water partly enclosed by land
Down
2
Region between the two tropic lines
4
Goods sold to another country
5
Long-term weather patterns of an area
6
Line dividing two countries
8
Landform where river meets the sea