| A | B |
|---|
| FREE ENTERPRISE | Individuals own and operate businesses |
| CONTOUR PLOWING | Farming along the natural curves of the land to keep topsoil |
| CROP ROTATION | Farmers grow different crops in succession to preserve the land |
| SERVICE INDUSTRIES | provide services rather than produce goods |
| INTERDEPENDENT | Countries relying on each other |
| ACID RAIN | Precipitation that carries abnormally high amounts of pollution |
| SMOG | A haze caused by the sun's interaction with exhaust gases |
| EUTROPHICATION | process by which a lake becomes rich in dissolved nutrients |
| BYCATCH | Unwanted dead marine mammals |
| NAFTA | North American Free Trade Association |
