Suppose That Many Coal Mines Are Shut for Environmental Reasons

question 137

Multiple Choice

Suppose that many coal mines are shut for environmental reasons.This will cause

• A)an increase in the supply of coal (a rightward shift of the supply curve).
• B)a decrease in the supply of coal (a leftward shift of the supply curve).
• C)a movement up the supply curve.
• D)a movement down the supply curve.
• E)no change in the supply curve,only a change in price.

---

Definitions:

Evolutionary Psychology

A field of psychology emphasizing evolutionary mechanisms that may help explain human commonalities in cognition, development, emotion, social practices, and other areas of behavior.

Sexual Behaviors

Actions that are related to or involve sexual intercourse, sexual attraction, or sexual activities.

Heritability

A statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group.

Identical Twins

Twins who develop from a single fertilized egg that splits and forms two embryos, sharing 100% of their genetic material.