President Obama visited Flint yesterday and was very thirsty!
Once you finish the science check-in, please read the Flint article about his visit.
http://www.reuters.com/article/us-michigan-water-obama-idUSKCN0XV0YT
Next, head to Egypt to learn about a lost city of ancient Egypt that was hiding underwater.
http://www.cnn.com/2016/05/05/africa/sunken-cities-exhibition-egypt-greece-london/index.html
The word subsidence is in the second article.
Subsidence is the opposite of uplift. When land subsides, it sinks. The probable cause was declining groundwater levels. Here are some other things that can cause land subsidence: The principal causes are aquifer-system compaction, drainage of organic soils, underground mining, hydrocompaction, natural compaction, sinkholes, and thawing permafrost.
Write a 2-3 sentence summary for each article.
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