Word Indicates a Null Expression with ____

question 46

Multiple Choice

Word indicates a null expression with ____.

• A)two apostrophes
• B)an ampersand
• C)two quotation marks
• D)two equal signs

Understand the basic structure and function of different circulatory systems.

Identify characteristics unique to the circulatory system of fish.

Identify characteristics unique to the amphibian circulatory system.

Identify characteristics unique to the mammalian circulatory system.

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Definitions:

Marginal Social Benefit

The incremental advantage to the community from the consumption or production of an additional unit of a product or service.

Pollution

is the introduction of contaminants into the natural environment that cause adverse changes, affecting air, water, and land quality detrimentally.

Positive Externality

A benefit that affects a party who did not choose to incur that benefit.

Externalities

Economic side effects or consequences of industrial or commercial activity that affect other parties without being reflected in the costs of the goods or services involved.