Which of the Following Is Not Correct

question 3

Multiple Choice

Which of the following is not correct?

• A)Economists have two roles: scientist and policy adviser.
• B)As scientists,economists develop and test theories to explain the world around them.
• C)Economic policies rarely have effects that their architects did not intend or anticipate.
• D)As policy advisers,economists use their theories to help change the world for the better.

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Definitions:

Hydrogen Ions

Protons or atoms of hydrogen that have lost their electron, thus carrying a positive electric charge.

ATP Molecules

Adenosine triphosphate molecules, which are the primary energy carrier in all living organisms, providing energy for cellular processes.

CAM Plants

Plants using Crassulacean Acid Metabolism, a photosynthetic pathway that conserves water by opening stomata at night.

Calvin-Benson Cycle

A series of biochemical redox reactions taking place in the stroma of chloroplasts in photosynthetic organisms, crucial in fixing carbon from CO2 into organic compounds.