When Some Materials,such as Crystals,are Heated They Will Give Off

question 5

Multiple Choice

When some materials,such as crystals,are heated they will give off a flash of light,a phenomenon known as:

• A)thermoluminescence
• B)racemization
• C)radioactive decay
• D)electron spin resonance

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Definitions:

Ceramic Tile

A durable, hard surface tile made from clay that has been fired at high temperatures, used for covering floors, walls, or other surfaces.

Administrative Expense

Expenses related to the general operation of a business, including executive salaries, legal and professional fees, and office supplies.

Variable Cost

Costs that fluctuate in direct proportion to changes in levels of output or activity within a business.

Fixed Cost

Expenses that do not change in total over a certain range of activity levels or time periods, such as rent, salaries, and equipment leases.