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Early Christian art and architecture

(Encyclopedia)Early Christian art and architecture, works of art exhibiting Christian themes and structures designed for Christian worship created relatively soon after the death of Jesus. Most date from the 4th to...

earth, in geology and astronomy

(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 mantle, lying above t...

Eden, rivers, England and Scotland

(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 rich farming re...

Denali National Park and Preserve

(Encyclopedia)Denali National Park and Preserve dənälˈē [key], in the Alaska Range, S central Alaska; comprising Denali National Park (4,740,912 acres/1,919,398 hectares), est. as Mt. McKinley National Park 191...

Dipper, Big, and Little Dipper

(Encyclopedia)Dipper, Big, and Little Dipper: see Ursa Major and Ursa Minor. ...

Downs, North, and South Downs

(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 near Farnham, Surr...

drug addiction and drug abuse

(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 addiction, with...

Doubs, river, France and Switzerland

(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 back into France...

Common Weights and Measures (table)

(Encyclopedia)Common Weights and Measures Length Area Volume and Capacity (Liquid and Dry) Weight (Mass) ...

Comprehensive Employment and Training Act

(Encyclopedia)Comprehensive Employment and Training Act (CETA), U.S. government program designed to assist economically disadvantaged, unemployed, or underemployed persons. Enacted in 1973, CETA provided block gran...