The Swelling/shrinking Tendency of Some Silicate Clay Minerals Is Due

question 12

Multiple Choice

The swelling/shrinking tendency of some silicate clay minerals is due primarily to _____.

• A)the presence of cations attracted by the negative charges on the internal surfaces
• B)the movement of water molecules in and out of the interlayers of the crystal
• C)varying thickness of the film of water covering the external surface of the particles
• D)expansion in the width of the interlayers due to movement of larger ions such as K⁺
• E)the high Mg²⁺ contents in the octahedral layers

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Definitions:

Average Variable Cost

Variable cost divided by the quantity of output

Unique Goods

Products that are distinct in their characteristics, offering uniqueness that differentiates them from mass-produced items.

Price Discrimination

A strategy in pricing where the same provider sells identical or nearly identical products or services at varying prices across different markets.

Deadweight Loss

The reduction in total societal welfare resulting from market inefficiencies, typically due to taxes, subsidies, or monopolies.