Which of the Following Is Not a True Statement About

question 71

Multiple Choice

Which of the following is not a true statement about the hardness of a mineral?

• A) If you owned a drilling operation that was drilling into the Earth, you would find out that the temperature within the crust rises approximately 30°C for every kilometer you drill in depth
• B) Melting of rocks can occur between depths of 100 and 350 kilometers causing magma to form
• C) The depth of magma melting is important to the minerals that form and ultimately to the chemistry of the igneous rock that is formed
• D) Quartz crystallizes at temperatures around 1100°C so it is not a common igneous mineral since super hot magma temperatures are currently rare on Earth

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Definitions:

Monopolistically Competitive

A market setup where numerous companies offer products that are closely related but not exactly the same, permitting a level of market control and the ability to distinguish their offerings.

Short-Run Profits

Earnings that occur when a firm can cover its variable costs, occurring in a period short enough that at least one input is fixed.

Diversity

The representation and inclusion of individuals from a variety of backgrounds, perspectives, and experiences in a group or organization.

Tacit Collusion

An unspoken, non-explicit agreement among competitors to maintain prices at a certain level or to not compete on certain aspects, without direct communication.