1. hemisphere
half of the globe of half of the earth The four hemispheres are northern, southern, eastern, and western

2. a natural feature of the earth's surface
landform
msfell.weebly.com
a natural feature of the earth's surface

3. the half of the earth north of the Equator
Northern Hemisphere
the half of the earth north of the Equator

4. a large body of saltwater
ocean
a large body of saltwater

5. a broad geographic area
region
a broad geographic area

6. the entire Western Hemisphere continent south of Mesoamerica
South America
the entire Western Hemisphere continent south of Mesoamerica

7. the half of the earth south of the equator
Southern Hemisphere
the half of the earth south of the equator

8. Western Hemisphere
the half of the earth comprising North and South America and their surrounding waters west of the Prime Meridian