. The density of seawater increases as temperature a. increases; increases b. de
ID: 295170 • Letter: #
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. The density of seawater increases as temperature a. increases; increases b. decreases; increases ID: B and salinity c. increases, decreases d. decreases, decreases 4. What would happen to the continents if sea level were to rise significanly? a. Large volumes of water may fill up all the valileys of the continents, forming lakes. c. Large volumes of water may expose islands. forming epicontinental seas. d. An increase in volcanic eruptions would occur 5. Compared with the sea surface salinity of the tropical latitudes, the sea surface salinity of the polar lanitudes is line. a. less b. more e. approximately the same d. exactly twice as 66. If a large airport, complete with paved nunway's, parking lots, and mamy new structures, is built next lo a river. what might the effect be? a. The fish population will decrease. b. The nutrient supply for fish will be diminished. c. There will be an increased likelihood of flooding. d. Overuse of water will dry out the river. 67. Extra sediment can be released into rivers by whereas cause(s) a decrease in the sediment supply downriver a dams; urbanization c. dams; farms d. farms; dams b. farms; urbanization 68. Why is chemical weathering relatively rare in deserts? a. Chemical weathering requires much colder temperatures than are seen in deserts b. Physical weathering occurs only in hot regions; thus it is more prevalent in deserts c. Chemical weathering only occurs in the presence of salt water from the ocean d. Chemical weathering most often involves reaction with water, which is rare in deserts The Milankovitch cycles describe the change in relative to the Sun. a. greenhouse gases; tilt b. eccentricity; orientation of Earth because of changes in the 69. precession d. solar insolation; orientation Pumping vast quantities of water i a. raises the local water table. 70. I water table, forming a cone-shaped depression. lowers the local water table, forming a cylindrical depression. does not affect the water table. c. d. capacity than the competence and a A small mountain stream will have a Mississippi River a. lower; lower b. lower, greater 71. c. greater, greater d. greater, lower Which of the following types of mass movement takes place most gradually? a. slump b. creep c. rock slide d. mudflow 72.Explanation / Answer
63) decreases, increases
as the temperature increases density decreases and the density increases with rise in salinity.
64) ocean water may submerge large area of continents, form epi continental sea.
65)more
in the tropical regions precipitation is high, so it will reduce the salinity.
66)there will be an increased likelyhood of flood.
67) farms, dams
sediments can be originate from the farms and which would carry by the rivers, but the dams will allow this sediments to settle in the water, and reduce the amount of sediments in the further flow.
68)chemical weathering most often involves reaction with water, which is rare in desert
69) solar insolation, orientation
70)lowers the local water table,forming a cone shaped depression
71)greater, lower
72)creep
which is the slowest mass movement
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