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| an area where all water drains into 1 body of water |
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| rain that hits the ground but doesn't sink in right away |
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| water above ground like lakes, streams, rivers, oceans, ect. |
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| sediment/dirt that is moved by wind or water |
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| where fresh water and salt water mix |
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| a body of water that empties into a larger body of water |
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| water can't penatrate surface |
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| man made pond that holds stormwater |
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| three sediment trap purposes |
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1. traps sediment
2. traps stormwater and allows water to sink in the ground
3. prevents erosin |
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| using observations to make an educated guess |
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| true or false: one theory of how the bay was formed was that a meteorite hit the ocean thirty five million years ago |
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| true or false: the bay has a water shed 64,000 miles long |
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| true or false the Chesapeake had a lot of shellfish |
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| true or false the Chesapeake is the worlds largest estuary |
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| false its the nations largest estuary |
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| true or false the 2 theories of how the Chesapeake formed are that a meteorite hit the ocean or melting ice caused sea level to rise |
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| true or false Chesapeake comes from the Algonquin word "chesepioc" and it mean the "great shellfish bay" |
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| true or false in the Early 1700s Captain John smith explored the Chesapeake Bay |
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| true or false the Chesapeake stretches from Virginia to New York and Delaware to West Virginia and its 64,000 square miles |
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| true or false The Chesapeake gets its fresh water from brooks and streams The boundaries include New York, Pennsylvania, Delaware, Maryland, West Virginia, and Virginia |
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| true or false the Chesapeake mixes with salt water from the Atlantic ocean to create brackish water |
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| a type of pollution that is easy to see |
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| examples of point source pollution are |
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| smokestacks and pipes from industry |
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| true or false point source pollution is easier to regulate |
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| pollution sources that are not easily seen |
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| examples of non point source pollution |
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| fertilizers, pesticides, oil, and trash |
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| true or false it is harder to find non point source pollution |
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| true it is harder to find |
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| chemicals mixed with water droplets |
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| covers fish eggs,underwater grasses, and oyster bars |
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| what are the main functions of a marsh? |
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| marshes provide food and habitat for other organisms, help prevent flooding, and are a natural filtration system |
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| How does a wetland filter water? |
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| Wetlands filter water by trapping pollution |
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| How does a marsh minimize effects of erosion? |
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| Marshes minimize effects of erosion by trapping sediment and filtering pollution |
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| what does a wetland provide for migratory birds? |
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| Wetlands provide resting areas for migratory birds |
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| Salinity is the amount of salt in a body of water. |
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| How is salinity measuserd? |
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| Its measuerd by ppt, part per thousand. |
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| What is the rang of salinity in the chesapeake bay? |
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| The range of salinity in the Chesapeake is 0-29 ppt. |
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| What are the three factors that effect salinity? |
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| The factors are the seaons, depth of the water, and where you are in the bay. |
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| Where are salinity levels lowest in the bay? |
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| The levels are lowest near the surface and in the northern area of the bay. |
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| What can salinity levels determine? |
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| It can determine what organisms live in the deep waters and what area of the bay there in. |
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