| A | B |
|---|
| glacier | huge slow-moving mass of ice |
| quarry | large open pit cut into the ground to mine stone |
| tradition | a way or idea that has been handed down from the past |
| fact | a statement that can be proven |
| opinion | what someone thinks or believes- cannot be proven |
| produce | fruits and vegetables |
| truck farm | where produce is grown |
| agricultural economy | an economy where people meet most of their needs by farming |
| industrial economy | an economy where factories and machines manufacture most goods |
| finished product | a manufactured good made from raw materials |
| waterway | a body of water that boats can use |
| competition | the contest between companies for the most customers or to sell the most goods |
| navigable river | a river that is deep and wide enough for ships to use |
| rapid | a rocky place in a river where a sudden drop in elevation causes fast-moving, dangerous water |
| canal | a waterway dug across land |
| lock | a part of a canal where the water level can be raised or lowered |
