Type your answer in the blank and click Check Answer.
According to the Climate.gov article "Climate Change: Atmospheric Carbon Dioxideopens in new window," why should the public be concerned about carbon dioxide levels in the atmosphere?
Your answer should be a well-organized paragraph that includes at least one qualitative and one quantitative support from the text for each point that is presented.
Correct answers may include all or some of the following:
• Qualitative evidence:
• Steady and dramatic increase in carbon dioxide concentrations
• Rising sea levels
• Change in weather patterns
• Increased marine acidity leading to mass extinctions
• Quantitative evidence:
• Actual carbon dioxide concentrations within specific time frames
• Over 400 ppm mark being surpassed
• Qualitative evidence:
• Steady and dramatic increase in carbon dioxide concentrations
• Rising sea levels
• Change in weather patterns
• Increased marine acidity leading to mass extinctions
• Quantitative evidence:
• Actual carbon dioxide concentrations within specific time frames
• Over 400 ppm mark being surpassed
