Notes

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**Considered young in geologic terms, the Pacific Ranges of the United States consist of the Sierra Nevada, the Cascade Range, the Coast Range, and the Alaska Range
**The land of the plains is higher in the west by App mtns and slopes downward until it reaches the Central Lowlands, from Canada into the state of Alabama
**Miss. river- minn to gulf of mehico
**A physical feature called a divide determines the direction of river flow. The Continental Divide is a high ridge in the Rocky Mountains. Waterways to the west of the divide flow into the Pacific Ocean. Waterways to the east of the divide flow toward the Arctic Ocean, Hudson Bay, Atlantic Ocean, and Mississippi River system.
**In the eastern United States, the fall line marks the place where the higher land of the Piedmont drops to the lower Atlantic Coastal Plain. Along the fall line, eastern rivers break into rapids and waterfalls, preventing ships from the Atlantic Ocean from traveling farther inland. Many cities, such as Philadelphia, Baltimore, and Washington, D.C., were established along the fall line.Philadelphia, Baltimore, and Washington, D.C
**St. Lawrence Seaway System, a series of canals, rivers, and waterways linking the Great Lakes with the Atlantic Ocean
**thunderstorms are supercells....south east.Rocky mtns......East-semiarid, west-arid
--------------------Biomes- Lesson 1 pg 5 -------------------------
**The United States is rich with natural resources including water, fossil fuels, timber, fish, and more
--------------------Lesson 2 is history------------------------
--------------------US history and settlers- Lesson 2pgs1-4----------------
--------------------Lesson 3 is enviornment and pollution----------
** eutrophication-process by which a body of water becomes too rich in dissolved nutrients, leading to plant growth that depletes oxygen in the water the water
--------------------Lesson 4 is tx geo and regions----------------------
-------------------Lesson 5 is tx culture and history-------------