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Submarine canyon: Quiz


Question 1: Canyons cutting the continental slopes have been found at depths greater than 2 ________ below sea level.

Question 2: Many submarine canyons are found as extensions to large ________; however there are many that have no such association.
StreamEstuaryDrainage basinRiver

Question 3: The major mechanism of canyon erosion is now thought to be turbidity currents and underwater ________.
LandslideSoilEarthquakeMass wasting

Question 4: They are formed by powerful turbidity currents, volcanic and ________ activity.
EarthquakeLandslideGeotechnical engineeringS-wave

Question 5: La Jolla and Scripps Canyon, off the coast of La Jolla, ________
Southern CaliforniaGreater Los Angeles AreaLos Angeles metropolitan areaLos Angeles

Question 6: Congo Canyon, the largest river canyon, extending from the ________, is 800 km (497 mi) long, and 1,200 m (3,900 ft) deep.
Belgian CongoEarly Congolese historyCongo RiverCongo Free State

Question 7: A submarine canyon is a steep-sided ________ on the sea floor of the continental slope.
Sediment transportRiver deltaDrainage basinValley

Question 8: They show ________ through all substrates, from unlithified sediment to crystalline rock.
Mouth barErosionDuneRiver delta

Question 9: Monterey Canyon, off the coast of central ________
San Jose, CaliforniaLos AngelesSacramento, CaliforniaCalifornia

Question 10: Mass wasting is the term used for the slower and smaller action of material moving downhill; and would commonly include the effects of bioerosion: the burrowing, ingestion and defecation of sediment performed by ________.


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