(Encyclopedia)
CE5
A. Cross section of the earth, showing its shells B. Detailed cross section of the crust and upper mantle: The lithosphere consists of the hard rock in the crust and upper…
(Encyclopedia) Eden, name of several rivers in England and Scotland. The principal one rises in Cumbria, N England, and flows 65 mi (105 km) NW past Carlisle, into Solway Firth. The Vale of Eden is a…
(Encyclopedia) Denali National Park and PreserveDenali National Park and Preservedənälˈē [key], in the Alaska Range, S central Alaska; comprising Denali National Park (4,740,912 acres/1,919,398…
(Encyclopedia) Downs, North, and South Downs, parallel ranges of chalk hills, SE England. They rise to 965 ft (294 m) at Leith Hill, Surrey. The North Downs range, extending c.100 mi (160 km) from…
(Encyclopedia) drug addiction and drug abuse, chronic or habitual use of any chemical substance to alter states of body or mind for other than medically warranted purposes. Traditional definitions of…
(Encyclopedia) Doubs, river, c.270 mi (435 km) long, rising in the Jura Mts., E France, and flowing northeast, forming part of the French-Swiss border, then looping into W Switzerland before turning…
(Encyclopedia)
Common Weights and Measures
Length
Metric System
1 millimeter = 1/1,000 meter
1 centimeter = 1/100 meter
1 decimeter = 1/10 meter
1 meter (basic unit of length)
1 dekameter…
(Encyclopedia) Comprehensive Employment and Training Act (CETA), U.S. government program designed to assist economically disadvantaged, unemployed, or underemployed persons. Enacted in 1973, CETA…
(Encyclopedia) David and Lucile Packard Foundation, private philanthropic institution that funds nonprofit organizations. It was founded in 1964 by David Packard (1912–96), co-founder of Hewlett-…