Presently,the Annual Average of CO₂ Is About 400 Ppm,and the Concentration

question 29

Multiple Choice

Presently,the annual average of CO₂ is about 400 ppm,and the concentration is increasing by about ____ ppm per year.

• A)2
• B)5
• C)​8
• D)​12
• E)​15

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Definitions:

Differentiation

The process of identifying and emphasizing the unique characteristics of a product, service, or entity to distinguish it from competitors.

Problem-Solving

The process of finding solutions to difficult or complex issues by identifying the problem, gathering information, creating and considering options, and implementing solutions.

Critical Thinking

The objective analysis and evaluation of an issue in order to form a judgment.

Conscientious

Referring to a trait of being thorough, careful, or vigilant; implies a desire to do a task well.