How accurately is the Great Pyramid aligned?
The Great Pyramid's sides are aligned almost exactly with true north, south, east, and west, a stunning feat of precision for ancient engineers.
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- What is Lessepsian migration?
“The Suez Canal allowed sea animals to move between the Red Sea and the Mediterranean.”
Reference: Encyclopaedia Britannica
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Does the Suez Canal have locks?
The Suez Canal opened in 1869 and has no locks, because the Mediterranean and Red Sea are at nearly the same level.
How did the Honda Civic meet clean air rules without a catalytic converter?
The Honda Civic's CVCC engine met strict 1970s US Clean Air Act emissions standards without needing a catalytic converter.