GLY1000 module 1

GLY1000 1. Question 1 The Great Oxygenation Event, according to the chemical analysis of rocks, happened about _____________. 1. 14 billion years ago 2. 4.5 billion years ago 3. 2.5 billion years ago 4. 1.3 billion years ago 2. Question 2 Point bars and cut banks can be found in which type of channel _____________. 1. meandering 2. braided 3. overland 4. oxbow lake 3. Question 3 Milankovitch cycles explain _____________. 1. Earth's rotation 2. Ocean tides 3. Solar cycles 4. Space heat 4. Question 4 The difference between a bedrock channel and an alluvial channel is the speed of flow and the amount of sediment load. 1. T 2. F 5. Question 5 Ocean salinity (salt %) varies by depth, location, and temperature and originates from water contacting _____________. 1. precipitation 2. rocks 3. dead plants 4. All of these are correct. 6. Question 6 The following are all landforms created by glacial erosion except _____________. 1. pater noster lake 2. truncated spur 3. cirque 4. valley tuck 7. Question 7

Hot springs are very often associated with areas that are experiencing igneous (magma related) activity. 1. T 2. F 8. Question 8 The following are all landforms created by glacial deposit except _____________. 1. moraines 2. aretes 3. kames 4. kettle lakes 9. Question 9 Climate change will not affect sea-level or hurricane generation in the future. 1. T 2. F 10. Question 10 The process of evapotranspiration is _____________. 1. a method of exchanging surface water with deep water 2. the transfer of water to the atmosphere from water bodies and plants 3. the combination of evaporation and photosynthesis near the ocean 4. the respiration of aquatic plants 11. Question 11 Which of the following is not an ecological threat to groundwater? 1. auto exhaust 2. saltwater intrusion 3. excessive drawdown 4. tank leakage 12. Question 12 The Last Glacial Maximum was very extensive, one of the countries that had ice coverage was Egypt. 1. T 2. F 13. Question 13 A moving river of accumulated, compacted, hardened snow is known as a _____________. 1. valley stream 2. fiord 3. glacier 4. iceberg 14. Question 14