Term
| What do geologists believe the land masses on the earth looked like 250 million years ago? |
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Definition
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Term
| What does the word Pangaea mean? |
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Definition
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Term
| What was different about North and South America and the Gulf of Mexico 250 million years ago? |
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Definition
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Term
| When did Pangaea begin breaking apart? |
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Definition
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Term
| What was the continental drift? |
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Definition
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Term
| During the time of the Continental Drift, where was the Gulf of Mexico located? |
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Definition
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Term
| How was Louisiana formed? |
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Definition
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Term
| Why is the formation of Louisiana considered unique? |
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Definition
| because it formed from sediment |
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Definition
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Term
| What happened to water levels during the Ice Age? |
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Definition
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Term
| Where did Louisiana's coastline extend during this time? |
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Definition
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Term
| What is the continental shelf? |
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Definition
| the edge of all the gulfs land masses |
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Term
| How and when did the Louisiana coastline and Gulf of Mexico reach its present day appearance? |
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Definition
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Term
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Definition
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Term
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Definition
| when rivers flow into an ocean |
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Term
| What is the most famous delta? |
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Definition
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Term
| What is a popular place to visit along Louisiana's coast? |
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Definition
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Term
| What is so unusual about Grand Isle? |
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Definition
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Term
| How much does Grand Isle move in a year? |
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Definition
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Term
| What happened to Grand Isle in 2005? |
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Definition
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Term
| What is one of the greatest threats facing Louisiana today? |
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Definition
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Term
| How much land disappears in a year? |
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Definition
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Term
| How much land did hurricane Katrina destroy in a day? |
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Definition
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Term
| How do we control the Mississippi River? |
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Definition
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Term
| What has been a result of the levees? |
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Definition
| no longer overflow natural levees and deposit more sediment |
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Term
| All of Louisiana was created by _____. |
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Definition
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Term
| All native rock in Louisiana is _____. |
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Definition
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Term
| When do geologists believe most Louisiana rock was formed? |
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Definition
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Term
| In geologic time, where is the land oldest in Louisiana? |
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Definition
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Term
| How old is the oldest exposed rock? |
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Definition
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Term
| Where is the oldest exposed rock located? |
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Definition
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Term
| How do earthquakes occur? |
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Definition
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Term
| Louisiana has _____ earthquakes. |
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Definition
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Term
| Where have earthquakes occurred in Louisiana? |
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Definition
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