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| making a guess using your prior knowledge |
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| an area where all the water drains into one body of water |
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| water rain that doesn't sink into ground |
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| founds in lakes rivers streams |
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| sediment (dirt) moved by water, wind |
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| a body of water that empties into a larger body of water |
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| a body of water where fresh + salt water mix |
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| prevents sediment from moving |
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| 3 purposes of retenttion pond |
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Definition
allows storm water into the ground
traps sediment |
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| water can not penatrate it |
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| what is the nations largest estuary |
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Definition
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| What are two theory that formed the bay |
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Definition
the first one is that a meteorite would have punched through the ocean which was then rock, and left a hole twice as big as Rhode Island.
The next theory is that the bay formed after the last glaciers shaped the eastern seaboard. The huge volume of melting ice caused sea levels to rise |
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| explored the chesapeake bay in the early 1600s |
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| what does the word chesapeake mean |
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| Chesapeake comes from Algonquin word chesepioc which means great shellfish bay |
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| how big is the Chesapeake bay |
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Definition
| It is 64,000 square mile, which stretches from Virginia to New York and from Delaware to West Virginia was almost completely forested. |
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| definition of point source pollution |
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Definition
source that is easy to see
ex smokestacks pipes factories
easier to regulate |
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| non point source pollution |
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Definition
not easy to see
fertilizers
harder to regulate |
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Definition
1) acid rain
2) fertilizers
3) garbage
4) sediment |
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| chemicals + water droplets |
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ex smokestacks pipes factories
easier to regulate |
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| How is salinity measured. |
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Definition
| It takes parts per thousand |
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Definition
| It means parts per thousand |
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| what is the range of salinity in the cheasepeake bay |
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Definition
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| where are the salinity levels the lowest in the bay |
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Definition
| It is in the upper bay near sasquhanna |
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| what years are the salinity levels the hightest and lowest |
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Definition
| The highest is 1972 and 1956 and the lowest is 1965 |
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| what r the main functions of a marsh? |
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Definition
| They pervent floods and act as a filtration systom for the bays water |
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| How does a wetland filter water? |
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Definition
| sediment and pollutunts which washes from land into the water are trapped by the plants |
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| How does a marsh minimize the effects of erosion? |
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Definition
| wet lands help minimize the effects of flooding |
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