When an Economist Evaluates a Positive Statement,he or She Is

question 7

Multiple Choice

When an economist evaluates a positive statement,he or she is primarily

• A)examining evidence.
• B)acting as a scientist.
• C)concerned with verifying how the world is.
• D)All of the above are correct.

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Definitions:

Photosynthesis

The process by which green plants, algae, and some bacteria transform light energy into chemical energy stored in glucose, using carbon dioxide and water and releasing oxygen as a byproduct.

Stomata

Small pores located in the epidermis of plants that provide for gas exchange for photosynthesis; each stoma is flanked by two guard cells, which are responsible for its opening and closing.

Gas Exchange

The biological process through which different gases are transferred in opposite directions across a surface.

Photolysis

The decomposition or separation of molecules by the action of light, often referring to the process in photosynthesis where water molecules are split.