Carbon Dioxide Rates Reached What Level in 2010

question 104

Multiple Choice

Carbon dioxide rates reached what level in 2010?

• A)300 ppm
• B)332 ppm
• C)357 ppm
• D)389 ppm
• E)417ppm

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Definitions:

Share

An individual unit of ownership in a company or financial asset that represents a proportion of the company's capital.

Play

Engaging in activities for enjoyment and recreation rather than a serious or practical purpose, especially by children.

Puberty

The period of adolescence when a person begins to develop secondary sexual traits and reproductive functions.

Physical Changes

Alterations in a substance that do not affect its chemical composition, such as changes in shape, size, or state.