Which of These Is NOT an Example of Biological Changes

question 23

Multiple Choice

Which of these is NOT an example of biological changes that are recently occurring and attributable to warming of the northern hemisphere?

• A) the elevations at which mosquitoes can survive
• B) the average weight of polar bears
• C) the southerly limit of reindeer in the Scandinavian countries and arctic Russia
• D) the average spring date at which tree sap begins to flow

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Definitions:

Contemporary Americans

Refers to the current population of the United States, often in the context of discussing their social, political, and economic conditions and behaviors.

Generational Effects

The impact that historical events and cultural trends have on the attitudes and behaviors of individuals born in different time periods.

Liberalism

A political and moral philosophy based on liberty, consent of the governed, and equality before the law.

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A political and social philosophy promoting traditional institutions and values, emphasizing stability, continuity, and respect for cultural, historical contexts.