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DK Earth: Energy Resources

WHAT IS FUEL? FOSSIL FUELSNUCLEAR ENERGYRENEWABLE ENERGYFIND OUT MOREEnergy is the force that makes things work. Over many years, people have learned to produce energy from various sources, such as…

Classical Mythology: A Titanic Struggle

A Titanic StruggleClassical MythologyTales Of The TitanicA Titanic StruggleClash of the Titans After gaining their own freedom, the Titans made Cronus their king and freed the Cyclopes and their…

crane, machine

(Encyclopedia) crane, hoisting machine for lifting heavy loads and transferring them from one place to another, ordinarily over distances of not more than 200 ft (60 m). Cranes have a long reach and…

exponent

(Encyclopedia) exponent, in mathematics, a number, letter, or algebraic expression written above and to the right of another number, letter, or expression called the base. In the expressions x2 and…

Bo Xilai

(Encyclopedia) Bo Xilai, 1949–, Chinese political leader. The son of Bo Yibo, a Communist revolutionary leader, he joined the Communist party in 1980. Bo studied history at Peking Univ. and earned (…

Algebra: Dividing Polynomials

Dividing Polynomials Algebra Introducing Polynomials Classifying Polynomials Adding and Subtracting Polynomials Multiplying Polynomials Dividing Polynomials There are two techniques you can…

Meiji

(Encyclopedia) MeijiMeijimāˈjē [key], 1852–1912, reign name of the emperor of Japan from 1867 to 1912; his given name was Mutsuhito. He ascended the throne when he was 15. A year later the shogun…

Faust

(Encyclopedia) FaustFaustfoust [key], FaustusFaustfôˈstəs, fouˈ– [key], or Johann FaustFaustyōˈhän [key], fl. 16th cent., learned German doctor who traveled widely, performed magical feats, and died…

Algebra: Encountering Expressions

Encountering Expressions Algebra Encountering Expressions Introducing Variables Translating Words into Math Behold the Power of Exponents Living Large with Scientific Notation Dastardly…

Queen Victoria

England's longest-ruling monarch by David Johnson Related Links The Victorian Era in LiteratureBritish Royal Family TreeHow To Get Your Own Royal TitleKingdoms and Monarchs of the…