http://www.scienceinafrica.co.za/2003/march/chad.htm
- Michael Coe and Jonathan Foley
- University of Wisconsin-Madison researchers
- Credible
- Shrunk from 30000 mi2 to 3000mi2 in the last 40 years
- Yes, they have researced this topic
http://www.vaughns-1-pagers.com/geography/largest-lakes.htm
- Vaughn Aubuchon
- reference sheets of general knowledge facts
- somewhat credible
- Lake Chad is the 17th largest lake in the world at its present day size of 6300 km2
- not sure, even though they are a list of facts, I can't find any scientific study to back them up.
http://www.factmonster.com/ipka/A0001777.html
- Pearson Education
- teaches 100 million people world-wide, world's leading school publishing and technology company
- Credible
- Lake chad is 9946 sq. mi and is 13th largest in the world
- Not sure, despite being edited by a leading corporation, their numbers don't match up with the other sources.
This fact is true, Lake Chad, which is surrounded by 4 countries is still one of the biggest lakes in the world but was once much bigger. This is true because there are many people attempting many projects to replenish the water that was once there.
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