Chapter 11 Environmental Geology & Earth Resources
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20 terms
Terms | Definitions |
|---|---|
 C | Rocks are _______ in the process called the rock cycle. Choose one answer. a. moved from place to place b. cycled through the core and mantle c. broken down and re-formed d. cycled through the crust and core e. incorporated into living organisms |
| B | What gas is released in the process of smelting? Choose one answer. a. chlorine b. sulfur dioxide c. carbon dioxide d. carbon monoxide e. ammonia |
| B | Problems associated with gemstones and precious metals such as gold and diamonds include which of the following? Choose one answer. a. Their extraction often involves slave labor and torture. b. All of these are correct. c. They are often used to finance terrorism. d. Their extraction often involves environmental destruction. e. They are often used to finance violent civil wars. |
| A | Evaporites, formed from ___________, are important economically because they are often found at or above 97% purity and are __________. Choose one answer. a. sedimentary rocks; therefore concentrated in economically recoverable levels b. igneous rocks; therefore concentrated in economically recoverable levels c. sedimentary rocks; important due to their strength, lightness, and malleability d. metamorphic rocks; important due to their strength, lightness, and malleability e. igneous rocks; important due to their strength, lightness, and malleability |
| E | Rock formed from magma extruded to the surface through volcanic vents is classified as Choose one answer. a. sedimentary. b. weathered rock. c. metamorphic. d. lava. e. igneous. |
| A | Which of the following countries is not a principle consumer of crucial metals? Choose one answer. a. Russia b. France c. United States d. Japan e. China |
| C | "Subduction" is the process of a tectonic plate Choose one answer. a. falling freely into the mantle. b. melting without moving. c. being forced below another plate. d. sliding alongside another plate. e. being sucked into the outer core. |
| D | The continental crust of the earth is _____________ while the oceanic crust is _____________. Choose one answer. a. thicker and lighter than the oceanic crust; similar in composition to the inner core b. similar in composition to the mantle; thicker and lighter than the continental crust c. similar in composition to the outer core; thicker and lighter than the continental crust d. thicker and lighter than the oceanic crust; similar in composition to the mantle e. similar in composition to the outer core; similar in composition to the mantle |
| E | ________ in the mantle and core make tectonic plates move. Choose one answer. a. Earthquakes b. Radioactive decay c. Conduction movements d. Concurrent currents e. Convection currents |
| D | Rocks are classified according to their Choose one answer. a. internal structure. b. chemical composition. c. mode of formation. d. All of these are used to classify rocks. e. physical properties. |
| B | Why would the environmental degradation associated with mining be a low priority for a less-developed country? Choose one answer. a. Environmental degradation is usually not a priority for less-developed countries. b. The country relies on the export of a mineral for the majority of their foreign exchange. c. The environmental impact of mining is low. d. Less-developed countries are more likely to import minerals so environmental degradation is not as important to them. e. Both consumers and producers depend on the minerals so much that environmental consequences are of less importance. |
| A | A giant sea swell known as a tsunami is caused by Choose one answer. a. earthquakes. b. lunar gravity. c. a strong wave during an exceptionally high tide. d. unusual tides combined with seasonal storms. e. typhoons. |
| D | Which of the following statements regarding tectonics is true? Choose one answer. a. Because of tectonic movements, Europe and Africa are drifting slowly toward the Americas. b. Because of tectonic movements, the Pacific Ocean is slowly increasing in size. c. When continental plates collide with continental plates, both plates usually subside. d. When oceanic plates collide with continental plates, the continent usually rides up over the seafloor. correct e. When oceanic plates collide with continental plates, the oceanic plate usually rides up over the continental plate. |
| D | What gas is released in the process of smelting? Choose one answer. a. carbon monoxide b. carbon dioxide c. ammonia d. sulfur dioxide e. chlorine |
| C | Metamorphic rocks are produced when rocks are Choose one answer. a. physically broken down. b. chemically weathered. c. recrystallized by heat and pressure. d. recrystallized through chemical processes. e. melted in the mantle and recrystallized. |
| E | The physical breakdown of a rock into smaller pieces is called Choose one answer. a. chemical weathering. b. the rock cycle. c. sedimentation. d. abrasion. e. mechanical weathering. |
| A | __________ rocks are often the source of metal ores such as gold, silver, and copper. Choose one answer. a. Metamorphic b. All of these are sources of metal ores. c. Sedimentary d. Weathered e. Igneous |
| E | The most abundant element in the Earth's crust is _________. Choose one answer. a. iron b. aluminum c. none of these are correct. d. silicon e. oxygen |
| C | Rocks are _______ in the process called the rock cycle. Choose one answer. a. incorporated into living organisms b. cycled through the crust and core c. broken down and re-formed d. cycled through the core and mantle e. moved from place to place |
| E | Which of the following countries is not a principle consumer of crucial metals? Choose one answer. a. China b. United States c. Japan d. France e. Russia |
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