(Encyclopedia) relapsing fever, infectious disease caused by a spirochete bacteria of the genus Borrelia and characterized by a high fever that breaks and then recurs a one to two weeks later.…
(Encyclopedia) violet, common name for some members of the Violaceae, a family of chiefly perennial herbs (and sometimes shrubs, small trees, or climbers) found on all continents. Violets, including…
Food shortages and price increases spark violence and debate
by Mark Hughes Food shortages have been reported worldwide. Related Links Year of the Potato…
Continent: Northeastern South AmericaClimate: Tropical and subtropical; some areas have an annual rainfall of more than 6 feetSchool: The school year runs from February through December. Kids…
Continent: North Africa/Middle EastClimate: Hot desert! In summer, temperatures average more than 100 degrees.School: School attendance is required for six years, generally beginning at age six or…
Continent: Western EuropeClimate: Mild winters and cool summers in much of the nation; warmer winters and hot summers along the Mediterranean coastSchool: The school day typically runs from 8:00 a…
(Encyclopedia)
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Schematic model of the oceanic crust, showing seafloor spreading
seafloor spreading, theory of lithospheric evolution that holds that the ocean floors are spreading outward…
CLIMATE ZONE CLASSIFICATIONWHAT IS A MICROCLIMATE? HAS THE EARTH’S CLIMATE CHANGED OVER TIME? WILL EARTH’S CLIMATE CHANGE IN THE FUTURE? BIOGRAPHY: LOUIS AGASSIZ Swiss, 1807–1873FIND OUT MOREEarth…
Uncovering African RootsDNA Tests, New Technology Reveal African Heritage
Photograph of slave cabin and occupants near Eufala, Alabama. (Source: Library of Congress)…
Mountains Geography Quiz Country Capitals Continents Mountains Rivers and Lakes Flags In which country is Mount Fuji located? Japan Peru North Korea In which country is Mont Blanc…
