How thick is the crust of the earth?
Sometimes likened to the shell that covers an egg, the layer of rock or crust that covers the surface of the earth is, on average, 22 miles thick.
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What are the highest and lowest temperatures ever recorded?
The highest was 136.4 degrees Fahrenheit at El Azizia, Libya, on September 13, 1922. The lowest was –129 degrees Fahrenheit at Vostok, Antarctica, on July 21, 1983.
Do identical twins have the same fingerprints?
No. Identical twins do not have the same fingerprints.
How much is the human body worth?
Newspaper columnists and others have claimed that the body’s chemical worth is between 98 cents and $5. But one doctor argues that, at the rates currently charged by large chemical distributors, the body’s worth is at least $169,834, not counting $1,200 worth of blood. The key is to market the body’s products intelligently and not…
Which two points in the contiguous United States are farthest apart?
Cape Flattery, Washington, and a point on the Florida coast south of Miami. They are 2,835 miles apart.
What is the continental shelf?
The continental shelf is an underwater ledge around the coastline of the world’s oceans. The edge of the shelf lies at depths of between 360 and 480 feet. The width may vary from a few feet to several hundred miles.
What does it mean to galvanize steel?
To galvanize steel means that a zinc coating is applied, either by “hot-dipping” the steel in molten zinc or by electroplating it in an electrolytic process. Thus protected against exposure, galvanized iron or steel is less liable to rust.