Download flashcard 14 | BIO 151 - Human Ecology and more Quizzes Social ecology in PDF only on Docsity!
Heap-leach extraction removes gold from ore by Spraying cyanide on a pile ore gravel TERM 2 A major environmental implication of the quest for more gold at lower concentrations in the ore compared to higher concentrations is that DEFINITION 2 More material has to be moved to get to the gold TERM 3 In the diagram, the mantle is labeled DEFINITION 3 C TERM 4 In the diagram, the semisolid part of the Earth is labeled DEFINITION 4 D TERM 5 In the diagram the densest part of the Earth is labeled DEFINITION 5 E
In the diagram, the magnetic field is generated in the D and e TERM 7 ________ in the mantle and core make tectonic plates move. DEFINITION 7 Convection currents TERM 8 Which of the following bodies of water is growing due to tectonic movement? DEFINITION 8 Atlantic Ocean TERM 9 Which of the following statements regarding tectonics is true? DEFINITION 9 When oceanic plates collide with continental plates, the continent usually rides up over the seafloor TERM 10 Subduction is only the process of a tectonic plate DEFINITION 10 Being forced below another plate
______ is an example of an example of an igneous rock Basalt TERM 17 The word "igneous" comes from a Latin word meaning DEFINITION 17 Fire TERM 18 Water, wind and glaciers are examples of forces that cause DEFINITION 18 Mechanical weathering TERM 19 Rocks are classified according to their DEFINITION 19 (chemical composition, physical properties, internal structure,mode of formation) All of these are correct TERM 20 The selective removal or alteration of specific components a rock that leads to its weakening is called DEFINITION 20 Chemical weathering
The physical breakdown of a rock into smaller pieces is called Mechanical weathering TERM 22 Rock are ______ in the process called the rock cycle DEFINITION 22 Broken down and re-formed TERM 23 Metamorphic rocks are produced when rocks are DEFINITION 23 Recrystallized by heat and pressure TERM 24 ______ is an example of metamorphic rock. DEFINITION 24 Marble TERM 25 Sinkholes are caverns can be produced by DEFINITION 25 Chemical weathering
What gas is released in the process of smelting sulfur dioxide TERM 32 It takes _____ energy to recycle waste aluminum (e.g., beverage cans) compared to the energy of extracting new aluminum from bauxite. DEFINITION 32 About one-twentieth as much TERM 33 On average, it takes _______ energy to produce steel from scrap metal compared to the energy of producing steel from raw ore DEFINITION 33 About half as much TERM 34 In terms of mineral resources, recycling is ______ as raw materials become more ____ and ___ are more plentiful DEFINITION 34 Slowly increasing;scarce;wastes TERM 35 A giant sea swell known a tsunami is caused by DEFINITION 35 Earthquakes
_________ can lead to mass wasting. Clearcutting on steep slopes TERM 37 The continental crust of the earth is thicker and lighter than oceanic crust (True or False) DEFINITION 37 True TERM 38 Placer mining involves washing metals, minerals and gemstones from streambeds with a water cannon. (True or False) DEFINITION 38 True TERM 39 Fires are a major environmental risk of underground coal mines. (True or False) DEFINITION 39 True TERM 40 The substitution of a new materials (plastics, etc.) leads to reduced consumption of the mineral and metal resources. (True or False) DEFINITION 40 True
