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1. How can an observer experience two unequal high tides during a
day?
2. What is the composition of sea water? What does salinity mean?
3. Beach erosion is related to natural process such as long shore
current. How is beach erosion also related to human activity?
How do oceans regulate climate?
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GLG 220 Week 4 DQ 2
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1. The Arizona cities of Flagstaff and Phoenix are relatively close to one
another yet have contrasting climates. Why does this difference occur?
2. What are the features of the ocean floor and how can they be
explained by plate tectonics?
3. What is the Coriolis Effect?
4. How does the atmosphere regulate the Earth’s climate?
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GLG 220 Week 4 Oceans and Atmosphere Worksheet
(UOP)
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