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trade winds
(Encyclopedia) trade winds, movement of air toward the equator, from the NE in the Northern Hemisphere and from the SE in the Southern Hemisphere. The trade winds originate on the equatorial sides of…Other Hurricanes
1780 Oct. 10–16, Barbados, West Indies: “The Great Hurricane of 1780” killed 20,000–22,000 people and completely flattened the islands of Barbados, Martinique, and St. Eustatius; it is the…San Juan, city, Puerto Rico
(Encyclopedia) San Juan, city (1990 pop. 437,745), capital, largest city, chief port, and commercial and cultural center of Puerto Rico, NE Puerto Rico. Coffee, tobacco, sugar, and fruit are exported…Humboldt Glacier
(Encyclopedia) Humboldt Glacier, NW Greenland. The largest known glacier of the Northern Hemisphere, it debouches into Kane Basin along a front c.60 mi (100 km) wide and 300 ft (91 m) high. U.S.…U.S. Daylight Saving Time Schedule
The United States. Daylight saving time, also called “summer time,” is the practice of advancing clocks forward by one hour in the spring to gain additional daylight during the early evening. In the…What is the life cycle of an iceberg?
The life cycle of a typical iceberg found in the North Atlantic today might look something like this:Time LineIceberg development1,000 B.C.Snow/Firn950 B.C.Ice/Glacier—Glacier movement1993 A…Monroe Doctrine
(Encyclopedia) Monroe Doctrine, principle of American foreign policy enunciated in President James Monroe's message to Congress, Dec. 2, 1823. It initially called for an end to European intervention…aurora borealis
(Encyclopedia) aurora borealis2bôrˌēălˈĭs [key] and aurora australisaurora borealisôstrāˈlĭs [key], luminous display of various forms and colors seen in the night sky. The aurora borealis of the…First U.S. Zoo
The Question: What was the first zoo in the U.S.? The Answer: The Philadelphia Zoo opened on July 1, 1874. In addition to being the first zoo…Native American languages
(Encyclopedia) Native American languages, languages of the native peoples of the Western Hemisphere and their descendants. A number of the Native American languages that were spoken at the time of…