Global Warming Refers to the Effect of Global Pollutants Such

question 221

Multiple Choice

Global warming refers to the effect of global pollutants such as carbon dioxide on climates on the earth.Climate-induced changes in temperatures affect, among other things, agriculture.Which of the following is a reason why policymakers are still debating if this problem should be addressed and how it should be addressed?

• A)Scientists agree about the damage caused by carbon emissions but disagree about the methods of reducing emissions.
• B)The marginal cost of reducing carbon emissions is known with certainly but the marginal benefit from reduction is not known with certainty.
• C)The marginal cost of reducing carbon emissions is not known with certainly but the marginal benefit from reduction is known with certainty.
• D)There is much disagreement about all aspects of the problem: how much carbon emissions contribute to damage from climate change which in turn determines the benefits from reduction, and what methods to use which in turn determines the cost of reduction.

---

Definitions:

Co-vertices

The endpoints of the minor axis of an ellipse, considered less significant than the primary vertices.

Vertex

The highest or lowest point of a parabola, representing the maximum or minimum value of a quadratic function.

Vertex

The highest or lowest point of a parabola where it changes direction, or a corner point of a geometric shape.

Focus

In geometry and optics, the point where rays or waves meet or from which they diverge, especially after reflection or refraction.