Why Are Lichens a Good Indicator of Environmental Quality

question 14

Multiple Choice

Why are lichens a good indicator of environmental quality?

• A) If the soil is polluted, they cannot produce roots.
• B) They cannot excrete absorbed toxins.
• C) They cannot absorb toxins.
• D) If the air is polluted, they cannot get enough sunlight for photosynthesis.
• E) Toxins inhibit their reproduction.

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Definitions:

Cost Center

A department or function within a business to which costs are charged for accounting purposes, but does not directly generate revenue.

Investment Center

A business unit or segment within an organization that is responsible for its own revenues, expenses, and investments in assets.

Gross Profit

The difference between revenue and the cost of goods sold, indicating the efficiency of a company in managing its labor and supplies in the production process.

Income Statement

A financial statement that shows a company's revenues, expenses, and profits over a specific period of time.