Consider the Following Diagram,and Then Answer the Question Below

question 59

Multiple Choice

Consider the following diagram,and then answer the question below.

-What best explains the "bumps" seen in the seen in the CO₂ concentrations on the graph above?

• A)greater amounts of CO₂ released by the burning of fossil fuels for heat during the winter
• B)higher levels of traffic producing more CO₂ during the summer travel season
• C)changes in plant growth that result in less CO₂ being absorbed during the dormant season
• D)a cyclic pattern in the eruption of volcanoes,causing more CO₂ to be released each spring

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Definitions:

Latin American

Pertains to countries in the Americas where Romance languages, primarily Spanish and Portuguese, are spoken.