when dry air descends from high in the atmosphere

Question 1A rainshadow desert forms __________.when dry air descends from high in the atmosphere between 20° and 30° latitudein places where mountain ranges act as barriers to the movement of water vaporin cold, polar regionsnear the equator, where moist air rises (because it is hot and less dense) up, away from earth’s surfaceQuestion 2Precipitation of water on the land surface in the hydrologic cycle leads directly to __________.infiltration, transpiration, and drainagestorage, glaciers, and water balancedischarge, runoff, and erosionevaporation, infiltration, and runoffQuestion 3Groundwater tends to flow through bodies of rock or sediment that ________.are composed of dark silicate mineralshave a high porosityhave a high permeabilityare aquitardsQuestion 4What is the volume of water that passes through each part of the hydrologic cycle annually called?TranspirationWater budgetInfiltrationWater balanceQuestion 5Plants consume water during photosynthesis. They also release it to the atmosphere during __________.evaporationdegassingtranspirationinfiltrationQuestion 6Match the term with the definitionDissolved loadBed loadSortingCapacityBraided channelsA.The maximum load of solid particles a stream can transportB.Sand, gravel, and large boulders that are too large to be carried in suspension, and instead move along the bottom of a stream channelC.Soluble sediments that are carried in solutionD.A complex network of converging and diverging channels that thread their way among numerous islands or gravel barsE.The physical breakdown (disintegration) and chemical alteration (decomposition) of rock at or near Earth’s surfaceF.The process by which solid particles of various sizes are separated and deposited in different locationQuestion 7Match the term with the definitionSpringGeyserArtesian wellAquiferAquitardA.Impermeable layers that prevent water movementB.Permeable rock strata that permits water to flowC.Localized zone of saturation above an impermeable layerD.Where the water table intersects the Earth’s surfaceE.Fountains of hot ground water ejected with great forceF.Ground water confined to a layer, in which the recharges area is higher than the outletQuestion 8Why is wind erosion more effective in deserts than in more humid regions?Question 9Briefly describe the formation of a natural levee.Question 10Why are flash floods common in arid climates?Question 11Briefly describe at least six depositional features created by glaciers.Question 12When examining the geology of a region for potential useable aquifers, what characteristics, or factors would you consider? Discuss at least three environmental concerns related to groundwater.Your response should be at least 200 words in length.Question 13Many developing countries with large river systems are rushing to build dams for hydroelectric power to stimulate economic development. For example, China completed the Three Gorges Dam, one of the world’s largest, on the Yangtze River in 2006 and more recently Ethiopia has announced plans to build the Grand Millennium Dam on the Nile River. There’s no question that dams are of economic benefit but on the flip side, they may also have unintended and undesirable costs. If you were in charge of planning the construction of a large dam, what are some of the environmental and cultural costs(other than monetary – please don’t discuss economic costs of dams as your primary content) that you would consider undesirable and what would you do to minimize these costs?When examining the geology of a region for potential useable aquifers, what characteristics, or factors would you consider? Discuss at least three environmental concerns related to groundwater.

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