Recent Evidence from Polar Ice Core Analysis Shows That, Until

question 8

Multiple Choice

Recent evidence from polar ice core analysis shows that, until now, carbon dioxide levels have never exceeded ______________ ppm in the last several hundred thousand years.

• A) 25
• B) 1000
• C) 200
• D) 300
• E) 500

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Definitions:

Labile

Refers to something that is easily altered or prone to change, often used in contexts related to mood or chemical substances.

Flat

Lacking in vivacity or interest; without marked variation in emotional or dynamic level.

Blunted

Lacking in force, intensity, or sharpness; often used to describe diminished emotional responses or reactions.

Exaggerated

Describes something that is represented as greater than is true or reasonable; overstated or embellished.