| A | B |
|---|
| glacier | huge sheet of ice that slowly moves |
| fall line | the line at the piedmont plateau and costal plain meet |
| industrial revolution | 1800's when power driven machines replaced hand tools |
| appalachian mountains | chain of mountains runs through eastern US |
| appalachian trail | hiking path that runs through the appalachian mountains |
| lowell | an industry in the northwest |
| meridian | line of longitude |
| global grid | criss-crossing line of latitude and longitude on a map |
| bay | part of an ocean or lake that cuts into the land |
| harbor | sheltered place along a coast |
| aquaculture | business of raising fish or shellfish in tanks |
| Chesapeake Bay | Bay shared by Maryland and Virginia |
| landlocked | completely surrounded by land |
| timberline | line on mountains which is to cold for trees to grow |
| canton | governmental division of Switzerland |
| import | to buy goods from another country |
| export | to sell goods to another country |
| prime meridian | line of longitude 0 degrees from which other meridians are numbered |
