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Episode Guide
- 1. Suzy Arrives Feb 20, 1997
- One of the staffers dies.
- 2. The Interview Feb 27, 1997
- Eric Slatt interviews to be headmaster.
- 3. The Staff Meeting Mar 6, 1997
- The school gets unwanted media coverage.
Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton that had settled to the sea floor.
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The meaning of CHALK is a soft white, gray, or buff limestone composed chiefly of the shells of foraminifers. How to use chalk in a sentence.
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Oct 10, 2023 · Chalk is a soft, white, porous, sedimentary rock composed primarily of the mineral calcite (calcium carbonate). It is often associated with marine environments and is characterized by its distinctive white color and powdery texture.
chalk, soft, fine-grained, easily pulverized, white-to-grayish variety of limestone. Chalk is composed of the shells of such minute marine organisms as foraminifera, coccoliths, and rhabdoliths. The purest varieties contain up to 99 percent calcium carbonate in the form of the mineral calcite.
a type of soft, white rock, or a similar substance, esp. in the shape of a stick and sometimes colored, used for writing or drawing. (Definition of chalk from the Cambridge Academic Content Dictionary © Cambridge University Press)