ENVIRONMENTAL SCIENCE (LL) >CUSTOM<
16th Edition
ISBN: 9780357097113
Author: Miller
Publisher: CENGAGE C
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Chapter 9, Problem 9CR
To determine
The fundamental concepts of the section and summarize the threats that are faced by the aquatic biodiversity resulting from human activity. The definition of ocean acidification and whether it as a significant threat to biodiversity or not. The definition of fishery and risks that it meets. The industrial fish harvesting methods and the percentage of fisheries that have been overexploited. The effect of jellyfish blooms in disrupting the ecosystem and link it to human influence. The definition of marine protected area and a marine reserve and the percentage of area under marine reserves. The methods used to preserve marine diversity. The efforts of Sylvia Earle in the protection of aquatic biodiversity. The role of restoration in protecting marine biodiversity and six ways in which the ecosystem approach can be applied to protect the aquatic biodiversity.
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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.
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.
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ENVIRONMENTAL SCIENCE (LL) >CUSTOM<
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- 34) 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_forward42) 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_forward
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- 37) 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_forward36) Soil moisture that plants are capable of accessing and using is called A) hygroscopic water. B) wilting point water. C) gravitational water. D) free molecular water. E) capillary water.arrow_forward
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