Why Is Knowledge About the Persistence of a Chemical Important

question 22

Multiple Choice

Why is knowledge about the persistence of a chemical important when considering its toxicity?

• A) Persistence is a direct measure of the toxicity of a chemical and so would determine whether it is toxic or nontoxic.
• B) Persistence is an indirect measure of the toxicity of a chemical; that is, high persistence means low toxicity.
• C) Persistence measures how long a chemical remains in its present state in an area and, therefore, how long it might be a health concern.
• D) Persistence is a measure of the number of carbons in an organic molecule, which is a direct measure of toxicity.
• E) Persistence is a measure of the amount of a chemical present in a particular food chain.

Identify strategies for interpreting and utilizing information effectively.

Recognize the steps and ethics involved in the research process.

Determine the importance of having a clear research goal before starting the information-seeking process.

Evaluate the credibility and relevance of sources for research purposes.

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Definitions:

Income Statement

A financial report summarizing the revenues, costs, and expenses incurred during a specific period, typically a fiscal quarter or year.

Notes Payable

Short or long-term financial obligations represented by promissory notes, indicating money owed by a company.

Accounts Payable

Money owed by a company to its suppliers or vendors for goods or services received but not yet paid for.

Current Liability

Short-term financial obligations that are due within one year or within a normal operating cycle.