Liquid Crystal Display (LCD)monitors Have Largely Replaced Cathode Ray Tube

question 145

Multiple Choice

Liquid crystal display (LCD) monitors have largely replaced cathode ray tube (CRT) display monitors for televisions and computers.Which of the following is a problem that results from use of LCD monitors?

• A)The LCD monitors need to be shielded with lead, and lead is a toxic metal.
• B)Large amounts of nitrogen trifluoride (NF₃)are used in production of LCDs, and much of it is released to the atmosphere.NF₃ is a greenhouse gas that is much more efficient at trapping atmospheric heat than other greenhouse gases, such as CO₂.
• C)LCD monitors use less energy than CRT monitors do.
• D)Manufacturing of LCD monitors releases much more CO₂ into the atmosphere than manufacturing of CRT monitors did.

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Definitions:

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price level in a market.

Quantity Supplied

The quantity of a product or service suppliers are prepared to offer for sale at a specific price.

Price Ceiling

A government-imposed limit on how high a price can be charged on a product, aiming to keep essential goods affordable.

Quantity Demanded

The total amount of a good or service that consumers are willing to purchase at a given price over a specified period.