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Sediment: Quiz

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Question 1: Sediments are most often transported by water (fluvial processes) transported by wind (________) and glaciers.
Aeolian processesDuneEarthAeolian landform

Question 2: This leads to an ambiguity in which ________ can be used as both a size-range and a composition (see clay minerals).
SoilSoil liquefactionClaySand

Question 3: This can be localized, and simply due to small obstacles: examples are scour holes behind boulders, where flow accelerates, and deposition on the inside of ________ bends.
Avulsion (river)ValleyMeanderOxbow lake

Question 4: ________ sands and river channel deposits are examples of fluvial transport and deposition, though sediment also often settles out of slow-moving or standing water in lakes and oceans.
Coral reefCoastBeachCliff

Question 5: ________ and streams carry sediment in their flows.
Drainage basinEstuaryRiverRiver delta

Question 6: Loss of soil due to erosion removes useful farmland, adds to sediment loads, and can help transport anthropogenic fertilizers into the river system, which leads to ________.
Water pollutionEutrophicationMarine pollutionSurface runoff

Question 7: One other depositional environment which is a mixture of fluvial and marine is the turbidite system, which is a major source of sediment to the deep sedimentary and abyssal basins as well as the deep ________.
Physical oceanographyVolcanic arcOceanic trenchMarginal sea

Question 8: One cause of high sediment loads from slash and burn and shifting cultivation of tropical ________.
Old-growth forestTemperate broadleaf and mixed forestsTreeForest

Question 9: ________ sand dunes and loess are examples of aeolian transport and deposition.
AntarcticaDesertAtacama DesertSahara

Question 10: ________ moraine deposits and till are ice transported sediments.
Little Ice AgeIce sheetCurrent sea level riseGlacier







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