Environmental Science (MindTap Course List)
15th Edition
ISBN: 9781305090446
Author: G. Tyler Miller, Scott Spoolman
Publisher: Cengage Learning
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Chapter 13, Problem 8CR
To determine
The concept of hydropower and the potential for expanding it. The major advantages and disadvantages of using hydropower to produce electricity. The potential for using tides and waves to produce electricity. The potential for utilizing wind power (a) globally as well as (b) in the United States. The major advantages and disadvantages of using wind to produce electricity. The concept of biomass and its advantages and disadvantages of providing electricity. The concept of fuelwood crisis. The advantages and disadvantages of liquid biofuels such as ethanol and biodiesel to power motor vehicles. The controversy over the use of ethanol as a biofuel in the United States. The concept of geothermal energy and its three major sources. The major advantages and disadvantages of using geothermal energy as a source of heat and electricity. The major advantages and disadvantages of using hydrogen as a fuel.
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41) Alpine glaciers A) are the largest types of glaciers. B) conform to the shape of the landscape. C) cover large sections of continents. D) show no relationship with the underlying topography.
39) Translatory waves A) are the types of waves located furthest away from the shore. B) are slowed down by friction with the bottom of the ocean. C) move water particles in perfectly circular orbits. D) do not interact with the bottom of the ocean.
38) The amount of sediment transported in a river depends on A) the discharge volume of water. B) temperature and precipitation. C) climate and topography. D) the length of the river.
Chapter 13 Solutions
Environmental Science (MindTap Course List)
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- 45) The roughness layer refers to A) the atmospheric layer where wind has the fastest velocities. B) the layer of active weather between the stratosphere and the surface. C) the shallow layer of nearly still air. D) the layer of the atmosphere where dust storms occur.arrow_forward47) Deflation is the process by which A) wind transports smaller particles leaving behind only larger pebbles and rocks. B) sands are deposited closer to the source area and silts are deposited farther. C) sand dunes migrate downwind as sand saltates up the windward face. D) rocks are worn away by bombardment of particles carried in Windstream.arrow_forward46) In Barchan dunes, the slip face is oriented A) on the convex side of the dunes. B) parallel to wind direction. C) on the concave side of the dunes. D) at varying angles.arrow_forward
- 43) Glacial abrasion is when A) boulders are fragmented into smaller particles under the weight of the overlying ice. B) blocks of rocks are plucked from the underlying bedrock. C) rocks are carried at the base of a glacier and grind away at the underlying bedrock. D) debris fall onto the top of the glacier and are carried down glacier.arrow_forward34) Which of the following is true of soils? A) Soils rich in mineral matter are usually dark in colour. B) They usually require hours or days to form. C) Their development is affected by climate and organisms. D) Their properties are not affected by the type of rock from which they form. E) Older soils usually have fewer horizons than younger soils.arrow_forward44) In periglacial environments, the layer of ground that thaws every summer and freezes every winter is called A) frost layer B) permafrost C) active layer D) discontinuous permafrostarrow_forward
- 42) The ablation zone of a glacier A) has a total positive mass balance. B) is where snow accumulates and transforms into ice. C) is located in the upper part of the glacier. D) is where ice mass is lost.arrow_forward41) Alpine glaciers A) are the largest types of glaciers. B) conform to the shape of the landscape. C) cover large sections of continents. D) show no relationship with the underlying topography.arrow_forward40) Marine terraces are the result of A) coastal emergence through uplift or sea level decrease. B) coastal submergence through erosion or sea level increase. C) deposition of sands by the longshore current. D) wave refraction causing a loss of energy that allow sediments to be deposited.arrow_forward
- 39) Translatory waves A) are the types of waves located furthest away from the shore. B) are slowed down by friction with the bottom of the ocean. C) move water particles in perfectly circular orbits. D) do not interact with the bottom of the ocean.arrow_forward37) Which of the following terms is used for a type of sediment transport in streams? A) discharge. B) overland flow. C) saltation. D) sheet flow. E) abrasion.arrow_forward33) You would expect only slight physical and chemical weathering under conditions of A) temperatures below freezing. B) extreme cold and high precipitation. C) extreme heat and no precipitation. D) lower mean annual rainfall and temperatures. E) higher temperatures and lower precipitation.arrow_forward
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