The Difference Between Primary and Secondary Air Pollutants Is That

question 40

Multiple Choice

The difference between primary and secondary air pollutants is that primary air pollutants:

• A) only affect plants, while secondary pollutants affect plants and animals.
• B) are not harmful to humans, whereas secondary air pollutants may be toxic to humans.
• C) enter the atmosphere directly, whereas secondary pollutants form from other substances released into the atmosphere.
• D) are the direct result of natural processes, whereas secondary air pollutants are the result of human activity.
• E) are smaller, primary molecules.

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Definitions:

Sale Received

Sale Received refers to the total amount of money obtained from the sale of goods or services before any deductions or returns.

Purchase Cost

The total amount expended to acquire a good or service, including the item's price and additional charges related to procurement.

Accrued Interest

Interest that has been incurred but not yet paid, representing the cost of borrowing money over a period of time.

Commission

A fee paid for services, usually a percentage of the sale made or a transaction completed.