Global Environmental Problems Are Less Easily Solved Than Those Confined

question 62

Multiple Choice

Global environmental problems are less easily solved than those confined to a single country because

• A)a single country has no incentive to solve global problems.
• B)there is no worldwide interest in solving global problems.
• C)there is no effective enforcement mechanism available for solving global problems.
• D)all of the options are correct.

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Definitions:

Rotor Rotation Speed

The speed at which the rotor of a mechanical device, such as an electric generator or motor, spins.

Electromagnetic Induction

The process by which a voltage or electromotive force is generated in a conductor by varying the magnetic field around the conductor.

Commutator

A device used in electric motors and generators to periodically reverse current direction between the rotor and the external circuit.

Alternators

Machines that convert mechanical energy to electrical energy by producing alternating current, commonly used in cars to charge the battery and power the electrical system when the engine is running.