Examlex
The percentage polygon is formed by having the lower boundary of each class represent the data in that class and then connecting the sequence of lower boundaries at their respective class percentages.
Feldspar
A collection of minerals essential for forming rocks, which are highly prevalent in the Earth's crust and utilized in the production of ceramics and glass.
Hematite
A reddish-black mineral consisting of ferric oxide, commonly used as an iron ore or in pigment production.
Halite
A mineral composed of sodium chloride (NaCl), commonly known as rock salt, which forms by the evaporation of saline water in enclosed basins.
Effervesces
The reaction of a substance with acid resulting in the release of gas bubbles, often observed in carbonate minerals.
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