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You are watching CSI with your grandmother. One of the ‘scientists’ reports that they have dated a woolly mammoth bone to be 2 million years old using Carbon-14 radiometric dating. Your grandmother turns to you and asks, “Can they really do that?” Since you know the half-life of Carbon-14 is ~5000 years, what do you say to her?

You collect bedrock samples across a normal fault and analyze them using (U-Th)/He apatite. You get the following dates:  Which of the following can you conclude?

The sediment contained within the mass above is coarse grained, with a large variety of grain sizes. This type of mass movement is called

Letter A indicates an alpine glacial landform called a(n) . 

The movement of hillslopes, glaciers, and rivers is driven by the same primary forces. Select all of these primary forces listed below:

Define the ELA. How does the ELA relate to glacier mass balance? 

Click on the set of plots (left or right) that most accurately represent the distribution of knickpoints in deglaciated landscapes like Minnesota.

The Himalaya have an average elevation of 8000 m while the Appalachian mountains have a much lower average elevation. Which mountain chain is composed of thicker continental crust? Explain why

One of the most important feedback loops in geomorphology is the feedback between erosion and tectonics. Explain this feedback loop including specific examples of processes for both erosion and tectonics. 

True or False. Your instructor will meet with you via WebEx in Canvas upon request at an agreed upon time.