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Asbestos (Fibrous Masses)

a) Composed of silica
b) Composed of carbon
c) Composed of asbestos
d) Composed of metal

User Exscape
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Final answer:

Asbestos is a naturally occurring fibrous mineral used for its durability and heat resistance in various products such as building materials and automotive parts. There are six types of asbestos, with Chrysotile, Amosite, and Crocidolite being the most common. The hazardous health effects, including lung cancer, mesothelioma, and asbestosis, have led to regulations or bans on asbestos use.

Step-by-step explanation:

Asbestos is a naturally occurring fibrous mineral that is found in certain types of rock and soil.

Due to its durability, heat resistance, and noncombustibility, asbestos has historically been used in many industrial and construction applications. This includes usage in building materials like roofing shingles and floor tiles, automotive parts like brake linings, and other products such as heat-resistant fabrics and coatings.

There are six recognized types of asbestos; Chrysotile (white), Amosite (brown/slightly off-white), Crocidolite (blue), Tremolite, Actinolite, and Anthophyllite. Of these, Chrysotile, Amosite, and Crocidolite are the most commonly used.

When asbestos is combined with cement, it enhances the mechanical strength of concrete. However, at high temperatures, asbestos can decompose, resulting in the formation of forsterite and silica.

The presence of asbestos in many buildings and products has become a major health concern, as its fibers can become airborne when materials containing it are disturbed. Inhaling these fibers can lead to serious health conditions, such as lung cancer, mesothelioma, and asbestosis. Because of these health risks, the use of asbestos has been heavily regulated or banned in many countries.

User Rickie
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