Celluloid and plastics have largely replaced genuine ivory in the manufacture ……… buttons, billiard balls, and piano keys.
The chemical facts ……… as a by-product of their search for gold became the basis for modern chemistry.
—— east of the Mississippi River.
A leech, after —— the skin, is best removed by the application of either salt or heat.
During the course of its growth, a frog undergoes a true metamorphosis ……… with a fishlike larval stage.
Thirty-eight national sites are known as parks, another eighty-two as monuments, and ………
The jury ultimately recommended Lloyd to face the death.
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who... Vs witch...
see look watch regard