A Mineral's Hardness Is Determined by the Number and the Strength

question 84

Multiple Choice

A mineral's hardness is determined by the number and the strength of chemical bonds, but how is it actually determined?

• A) by weighing it on a Mohs scale.
• B) by whether or not it cleaves.
• C) by looking at its streak.
• D) by its resistance to scratching or abrasion by other materials of known hardness.

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Definitions:

Virtual Private Network

A technology that creates a secure, encrypted connection over a less secure network, such as the Internet, to provide privacy and anonymity.

Extranet

A private network that allows access to partners, vendors, and selected external parties, extending certain computing resources and information beyond an organization's intranet.

Intranet

A private network accessible only to an organization's staff, often used to store company information, tools, and resources securely.

Wireless Network

A communication network that uses radio waves or other wireless methods to connect devices without the need for physical cables.