What Does Analysis of Stable Isotopes of Oxygen from Ice

question 43

Multiple Choice

What does analysis of stable isotopes of oxygen from ice cores dating to the Holocene indicate?

• A)The last 50 yBP were the coldest period observed in the last 700,000 yBP.
• B)The last 50 yBP were the warmest period in the last 2,000 yBP,likely much longer.
• C)The last 50,000 yBP have been the warmest on record.
• D)The last 100,000 yBP have been the warmest on record.

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Definitions:

Psychological

Pertaining to the mind or mental processes, often in relation to behavior and feeling.

Physical

Relating to the body as opposed to the mind or emotional state, often concerning fitness, health, or appearance.

Abstract

Pertaining to thoughts or concepts that are not concrete or tangible, often involving complex ideas or theoretical thinking.

Visual Self-recognition

The ability to recognize oneself in a mirror or photograph, typically developing in humans around 18-24 months of age.