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polarization of light
(Encyclopedia) polarization of light, orientation of the vibration pattern of light waves in a singular plane. Unpolarized light can be converted into a single polarized beam by means of the Nicol…constellation, in astronomy
(Encyclopedia) CE5 Constellations: Southern sky CE5 Constellations: Southern sky CE5 Constellations: Southern sky constellation, in common usage, group of stars that appear to form a…competition, in economics
(Encyclopedia) competition, in economics, rivalry in supplying or acquiring an economic service or good. Sellers compete with other sellers, and buyers with other buyers. In its perfect form, there…valence, in chemistry
(Encyclopedia) valence, combining capacity of an atom expressed as the number of single bonds the atom can form or the number of electrons an element gives up or accepts when reacting to form a…Guide to Spelling: Hooked on Phonics: Attaching Prefixes and Suffixes: Bits and Pieces
Attaching Prefixes and Suffixes: Bits and PiecesGuide to Spelling: Hooked on PhonicsIntroductionIf U Cn Reed This …Quick and Dirty Tricks of the TradeAttaching Prefixes and Suffixes: Bits and…How to Write an Essay (Advanced): Topic Development
How to Write an Essay How do I know what my teacher wants? Every essay question will generally contain a key word that tells you what kind of answer your teacher wants. Here…Latin Roots, Prefixes, and Suffixes
Latin was the language spoken by the ancient Romans. As the Romans conquered most of Europe, the Latin language spread throughout the region. Over time, the Latin spoken in different areas…Sentence Agreement: Agree to Disagree
Agree to DisagreeSentence AgreementIntroductionCollective NounsIndefinite PronounsWalk This WayAgree to Disagree Like subjects and verbs, pronouns and antecedents (the words to which they refer)…Introductions
 Introductions The introduction is the first sentence of your essay and it plays the dual role of setting the theme of your essay and engaging the reader. The introduction should not…sound
(Encyclopedia) CE5 Sound waves: An air pressure wave radiating outward from a loudspeaker is perceived as sound. sound, any disturbance that travels through an elastic medium such as air, ground…