unit iv,v assessment

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1.)According to the figure below, give an approximate age for the Dakota Sandstone and for the Wasatch Formation. Explain what evidence you used to determine this.

2.)Recall from your reading about the nature of volcanoes, and in your own words, compare and contrast aa and pahoehoe lava in appearance and how they form.

3.)Recall from reading the nature of volcanoes, and in your own words, briefly discuss how the rate of cooling determines the type of rock that forms from magma/lava.

4.)In your own words, compare and contrast relative age dating with radiometric dating. What are the strengths and limitations (if any) of each? Reference USGS (2001)

5.)Discuss two reasons why summer temperatures in coastal locations in Southern California are cooler than coastal locations at the same latitude in Georgia.

6.)The best place to look for crabs is between the high tide and low tide zones (the tidal flat). Knowing this, would you expect to find more crabs during a full moon/new moon or during a quarter moon stage? Explain why

7.)When you are at the beach, you notice that the waves seem to "break" at the same point as they come towards shore. Explain what is happening beneath the surface to cause the waves to break at this point.

8.)How would the melting of ice sheets in Greenland affect the deep-ocean circulation in the North Atlantic? How might this affect the climate of Northern Europe? 

Your response should be at least 150 words in length.

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