Across
1
Low area between mountains
4
Imaginary line around the middle of Earth
5
One of seven major landmasses
6
Distance east or west of prime meridian
8
Half of the Earth
Down
2
Height above sea level
3
Ridge of rock or coral near the surface
5
City that is seat of government
7
Distance north or south of equator
9
Vast body of salt water
10
Wearing away of land by water or wind