| A | B |
|---|
| subsistence farming | farming that provides only enough food for a family or for a village |
| commercial farming | raising crops and livestock for sale on the local or world market |
| paddy | a level field that is flooded to grow rice, especially in Asia |
| marsupial | an animal, such as a kangaroo, that carries its young in a body |
| tectonic plate | a huge slab of rock that moves very slowly over a softer layer beneath the surface of Earth's crust |
| geyser | a hot spring that shoots a jet of water and steam into the air |
| fiord | a long, narrow inlet or arm of the sea bordered by steep slopes created by glaciers |
| high island | an island formed from the mountainous top of an ancient volcano |
| low island | an island formed from coral reefs or atolls |
| atoll | a small coral island in the shape of a ring |
| coral | a rock-like material made up of the skeletons of tiny sea creatures, most plentiful in watm ocean water |
