Using the Mohs Hardness Scale Below,which of the Following Statements

question 13

Multiple Choice

Using the Mohs hardness scale below,which of the following statements about the actual hardness of minerals is false?

• A) Your fingernail can scratch a sample of gypsum.
• B) Diamonds are twice as hard as apatite.
• C) Diamonds are more than seven times as hard as quartz.
• D) Quartz will scratch anything made of steel.

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Definitions:

Stimulus

Anything that can prompt a physiological or psychological response or reaction in an organism.

Bayley-III

The third edition of the Bayley Scales of Infant and Toddler Development, a comprehensive tool for assessing developmental functioning in young children.

Hidden Toy

A concept in developmental psychology referring to an infant's ability to remember an object exists even when it is not visible.

Bayley-III

The third edition of the Bayley Scales of Infant and Toddler Development, a standard series of measurements used to assess the development of children up to 3 years of age.