Across
1
Distance east or west of prime meridian
6
Distance north or south of equator
7
Seasonal heavy rainfall
8
Wearing away of land by water or wind
12
Height above sea level
Down
2
Land surrounded by water
3
Imaginary line around the middle of Earth
4
One of seven major landmasses
5
Line dividing two countries
9
Chain or group of islands
10
Flat grassland in tropical regions
11
Half of the Earth