SCIN 138 Week 8 Final Exam 2023 (Timed and Single Access)

SCIN 138 Week 8 Final Exam 2023 (Timed and Single Access) Refer to the image of a meandering stream shown here. At which site along the stream would stream erosion be the most active?  A. D and B  B. A and C  C. B and C  D. C and D  E. A and E Question 2 of 50 2.0/ 2.0 Points Which of the following is the most significant natural cause of climate change in the last 2 million years?  A. Milankovitch cycles  B. Burning of fossil fuels  C. Solar flares  D. Photosynthesis  E. Volcanic eruptions Question 3 of 50 2.0/ 2.0 Points Scientific conclusions are based on _____________.  A. only quantitative data  B. objective evidence and experiments  C. public consensus  D. subjective evidence and ancient books  E. polling of experts Feedback: 01.2 Question 4 of 50 2.0/ 2.0 Points The number one factor causing landslides is (are) _____.  A. precipitation  B. earthquakes  C. freeze-thaw cycles  D. volcanic eruptions  E. glaciation Question 5 of 50 2.0/ 2.0 Points What information is needed to determine the distance from the epicenter of an earthquake to a seismic receiving station?  A. The difference between the amplitude of the seismic waves  B. The time interval between the P and S waves  C. The magnitude of the earthquake  D. The amplitude of the seismic waves on a seismogram  E. The transverse nature of the s-wave Question 6 of 50 2.0/ 2.0 Points A coarse-grained (phaneritic texture) igneous rock formed _________________.  A. on the surface of the earth in a quiet (effusive) eruption  B. deep under the surface of the earth  C. by immense direct pressure and heat  D. due to erosion, frost wedging, and weathering  E. on the surface of the earth in an explosive eruption Question 7 of 50 2.0/ 2.0 Points Shield volcanoes consist of _________.  A. A combination of granitic lava and pyroclastic material with some rhyolite.  B. Mostly low viscosity basalt flows with a lower silica content.  C. Alternating layers of silica-rich rocks and intrusive igneous rocks such as basalt.