Msci 112 Final Exam Questions With 100% Correct Answers |verified | Updated

0-41910000MSCI 112 Final Exam Questions with 100% Correct Answers |Verified | UpdatedAn igneous rock was formed with 8000 radioactive (parent) atoms but contains only 1000 radioactive (parent) atoms today. If the half-life for the radioactive element is 10 million years, the rock is ___ million years old. - Correct Answer-30Which of the common components of siliciclastic sediment are likely to have been formed from the original sediment source rock through chemical weathering? - Correct Answer-claysWhich is the largest division of geologic time? - Correct Answer-eonsWhich process causes subsidence in a sedimentary basin? - Correct Answer-both deposition of sediments and regional downfaultingWhat is a nonconformity? - Correct Answer-a gap in the geologic record bounded below by metamorphic or igneous rocks and bounded above by sedimentary rocksThe study of the history of ancient life based on the fossil record is called: - Correct Answer-Paleontology<span