Examlex
Find an equation for a parabola with vertex at the origin, and with directrix .
Argonites
A misspelling or incorrect term for aragonite, which is a carbonate mineral, one of the two most common, naturally occurring, crystal forms of calcium carbonate, CaCO3 (the other being calcite).
Carbonates
Rocks or minerals that contain abundant carbonate.
Element C
Element C refers to Carbon, a chemical element with symbol C and atomic number 6, essential to all known living systems and widely used in various scientific, industrial, and technological applications.
Calcite
A common mineral form of calcium carbonate, widely found in sedimentary, metamorphic, and igneous rocks.
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