Why Are Contaminants Such as TCEs and PCBs So Difficult

question 17

Multiple Choice

Why are contaminants such as TCEs and PCBs so difficult to remove using traditional methods?

• A)They are so volatile they escape into the atmosphere so they're impossible to contain.
• B)They naturally degrade into harmless forms that cannot be distinguished from the natural chemical makeup of the environment.
• C)They are too toxic to be safely handled.
• D)They easily adsorb onto organic matter in the environment.

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Definitions:

Excess Demand

A situation where the quantity demanded of a good or service exceeds the quantity supplied at the current price.

Excess Demand

A situation in a market where the quantity demanded of a good or service surpasses the quantity supplied at the current price, leading to upward pressure on prices.

Market Equilibrium

The state in which market supply equals market demand, and prices have no tendency to change, assuming all other factors remain constant.

Excess Supply

A situation in which the quantity of a good or service provided exceeds the quantity demanded at a given price.