The Most Recent Analyses of Polar Ice Cores Have Given

question 17

Multiple Choice

The most recent analyses of polar ice cores have given us the ability to profile global climate change back as far as ______________ years.

• A) 50,000
• B) 800,000
• C) 1000
• D) 100,000
• E) 300,000,000

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Definitions:

Hematocrit

The proportion of red blood cells (erythrocytes) to the total blood volume.

Anxiety

A feeling of worry, nervousness, or unease, often about an imminent event or something with an uncertain outcome.

Immigrant

An individual who moves to a new country with the intention of settling there, often for reasons such as employment, education, or family reunification.