| A | B |
|---|
| divide | high point or ridge determines direction rivers flow |
| headwaters | source of river |
| tributary | small river join larger |
| fall line | marks place where higher drops to costal plain |
| fossil fuel | coal. petroleum, natural gas |
| fishery | places for catching and raising fish |
| aquaculture | fish farming |
| hurricane | ocean storm hundreds of miles wide |
| chaperral | Mediterranean scrub vegitation, drought resistance |
| prairie | treeless expanses of grasslaands |
| supercell | violent thunderstorms, tornadoes |
| timberline | elevation above which trees do not grow |
| chinock | warm dry wind, spring |
| blizzard | heavy, blowing snow,35mph, low visibility |
