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GLG102 Review Questions Test 1

GLG102 Review Questions Test 1 - Review Questions Chapter 1...

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Review Questions Chapter 1 1) The change in frequency of a sound wave caused by movement of its source relative to an observer is known as the a. Doppler effect 2) The premise that a present-day processes have operated throughout geologic time is the principle of a. Uniformitarianism 3) The study of the origin and evolution of the Earth is a. Historical geology 4) The concentric layer that comprises most of Earth’s volume is a. Mantle 5) Plates are composed of a. The crust and upper mantle 6) A combination of related parts interacting in an organized fashion is a. A system 7) The movement of plates is thought to result from a. Convection cells 8) Which of the following statement about scientific theory is not true? a. It is a conjecture or guess. 9) Which two observations led scientists to believe the Big Bang occurred 14 billion years ago? a. An expanding universe and background radiation of 2.7 K 10) That all living organisms are descendents of different life-forms that existed in the past is the central claim of. a. Organic evolution
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Chapter 2 1) Any rock that has been altered from a previous state, pressure, and chemical fluids is a ______ rock. a. Metamorphic 2) Although silicates are the most common minerals, the ______ are also important because they are the main components of limestone and dolostone. a. Carbonates 3) Lithification is the processes whereby a. Sediment is converted into sedimentary rocks 4) Which one of the following is a phaneritic igneous rock? a. Gabbro 5) If a naturally occurring, solid substance has all of its atoms arranged in a specific three- dimensional framework it is said to be a. Crystalline 6) If you were to encounter an igneous rock in which the minerals were clearly visible, you would be justify in concluding that the rock is a. Plutonic 7) Most limestone have a large component of calcite that was extracted from seawater by a. Organisms 8) An atom with 6 protons and 8 neutrons has an atomic mass number of a. 14 9) A rock made up detrital particles measuring between 1/6 and 2 mm is a. Sandstone 10) The particles ejected by volcanoes during explosive eruptions are collectively called a. Pyroclastic materials Chapter 3 1) The man credited with developing the continental drift hypothesis is a. Wegener
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