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APSC 151 Final Answers | 100% Correct | Verified | 2024 Version With respect to a mineral commodity, the definition of the "resource" is: A) the economic amount of the commodity extracted B) a local accumulation of a specific mineral that contains that commodity C) the total number of mineral deposits of that commodity D) the amount of the commodity that exists in the Earth E) the estimated total amount of that commodity that is ultimately economically recoverable - E The process of er...

APSC 151 Final Exam Prep | 100% Correct | Verified | 2024 Version Complex multicellular organisms were not present in which Era A) Neogene B) Paleo-Proterozoic C) Mesozoic D) Precambrian - Neogene For a billion years or more, oxygen being produced by cyanobacteria was completely consumed in the process of A) The creation of chlorophyll B) The creation of phospholipid membranes on clay surfaces C) The precipitation of iron from the ocean waters D) Coal formation - The precipit...

APSC 151 Final Exam Questions & Answers | 100% Correct | Verified | 2024 Version Which is not a requirement for a mineral? A) naturally occurring B) consistent isotopic composition C) well-formed external crystal shapes D) orderly regular atomic or ionic structure E) definite chemical composition - B Which of the following best describes the fundamental concept of superposition? A) Strata with fossils are generally deposited on strata with no fossils. B) Older strata are deposited on y...

APSC 151 Midterm Exam Study Guide | 100% Correct | Verified | 2024 Version Compared to the age of the Universe of about 14 billion years, the currently accepted age of Earth is about ________ years as determined by using radioactivity for dating rocks and minerals. A) 4.6 thousand B) 4.6 billion C) 5.4 million D) 13.7 billion - B The ________ division of the geologic time scale is an era of the Phanerozoic Eon. A) Paleocene B) Paleozoic C) Permian D) Proterozoic - B The Earth's cor...

APSC 151 MIDTERM PREP | 100% Correct | Verified | 2024 Version The process of unloading can produce: (a) joints (b) mud cracks (c) pillows (d) cross-bedding (e) leaching - a An unconformity, like the one in the Kingston area, is best defined as: (a) a layer of rocks with very unusual fossils (b) a basal conglomerate (c) a layer of sedimentary rocks (d) a thin, tabular or sheet-like, igneous intrusion (e) a time gap in the rock record - e Weathering produces minerals that are more s...