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From New World Encyclopedia
New World Encyclopedia integrates facts with values. Written by certified experts.
Featured Article: Chemical substance
A chemical substance is any material that has a definite chemical composition. Moreover, a pure substance cannot be separated into other substances by any mechanical process. Chemical elements and compounds are substances, mixtures are not. Examples of familiar chemical substances are pure water, table salt (sodium chloride), and sugar (sucrose). Generally, substances exist in the solid, liquid, or gas phase, and they may change from one phase to another during changes in temperature or pressure.
Popular Article: Spongy moth
Gypsy moth or Spongy moth is the common name for a type of tussock moth, Lymantria dispar that is native to Europe and Asia but has become a serious pest in North America after its introduction in the nineteenth century. In their natural environment, spongy moths developed in harmony with numerous predators. However, with millions of acres of trees defoliated and many trees weakened or killed by repeat infestations, this non-native moth has proven very destructive in North America.
Did you know?
The Abenaki largely relied on horticulture when it came to their diet, which is why villages often were located on or near river floodplains. (source: Abenaki)
