Chrysotile, Crocidolite, and Amosite Are Different Mineralogic Forms of What

question 53

Multiple Choice

Chrysotile, crocidolite, and amosite are different mineralogic forms of what industrial commodity?

• A) gemstones
• B) Portland cement
• C) asbestos
• D) metallic sulphide ores

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Definitions:

Night Terror

A sleep disorder causing feelings of panic or dread, typically occurring during non-REM sleep and resulting in partial awakening.

Insomnia

A sleep disorder characterized by difficulty falling and/or staying asleep.

Sleep Apnoea

A sleep disorder characterized by pauses in breathing or periods of shallow breathing during sleep.

Somnambulism

A sleep disorder in which people walk or perform other activities while they are still asleep; commonly known as sleepwalking.