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Unit 2 Test 114B

Unit 2 test

QuestionAnswer
1. You would probably use seismic, sonar, and satellite technologies to locate …? Natural Gas
2. What color would you see at 150m. depth? Blue
3. Define a submarine canyon…? Narrow, steep-sided underwater valley cut into a continental slope and resemble river canyons on land, usually having steep, rocky walls and found along most continental slopes.
4. When the sun and moon are lined up you have ___________ tidal ranges and _________tides? larger, spring
5. When the sun and moon are at right angles to each other you have ____________tidal ranges and _______ tides? Smaller, neap Smaller, neap
6. What is an ocean ridge? A region with steep undersea mountains and deep valleys.
7. Seaweed and Barnacles secrete glue….why? It is an adaptation to a rocky intertidal environment
8. Describe the sublittoral environment? The sublittoral refers to the areas where sunlight reaches the ocean floor, that is, where the water is never so deep as to take it out of the photic zone. This makes the sublittoral zone the location of the majority of sea life.
9. List some of the types of life you would find in the deep zone? Crabs, sea cucumbers, brittle stars, hagfish, ocedax (worms)
10. The boundaries of changes in salinity in the ocean are referred to as ? Haloclines
11. What type of current is primarily responsible for shaping the shoreline? Long shore current
12. Why? A long-shore current is an ocean current that moves parallel to shore. It is caused by swells sweeping into the shoreline at an angle and pushing water down the length of the beach in one direction. This current deposits and takes away sediment.
13. Ocean currents (think Bill Nye from class) are created due to differences in __________________? Ocean density
Created by: jabb123
 

 



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