The IPCC Shows What Levels of Carbon Dioxide Were in the Earth's

question 44

Multiple Choice

The IPCC shows what levels of carbon dioxide were in the Earth's atmosphere for the last 10,000 years.How are they able to do this?

• A) They extrapolate data from recent measurements
• B) They use tree rings
• C) They use bubbles of atmospheric gas trapped in ice samples
• D) The data are from a model and not actual data

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Definitions:

Dermatology

The branch of medicine dealing with the skin, nails, hair, and their diseases.

Albinism

A genetic condition characterized by a lack of melanin pigment in the skin, hair, and eyes, leading to sensitivity to sunlight and vision problems.

Pigment

Substances that give color to living organisms, found in skin, hair, plants, and materials used in art and cosmetics.

Subungual

Pertaining to the area under the fingernails or toenails.