Climate Change Test Review

What is the trend in CO2 levels according to the graph?

• CO2 levels are decreasing

• CO2 levels are constant

• CO2 levels are increasing

• The graph does not show any trend

What is the trend in the global temperature index as shown in the graph?

• Global temperatures are falling

• Global temperatures are constant

• Global temperatures are rising

• The graph does not show any trend

What is the overall trend in the annual September minimum extent of Arctic sea ice?

• Increasing extent

• Decreasing extent

• No significant change

• Fluctuating without a clear trend

What is the overall trend in the mass of the Antarctica Ice Sheet?

• Increasing mass

• Decreasing mass

• No significant change

• Fluctuating without a clear trend

What is the trend in global sea levels?

• Rising sea levels

• Falling sea levels

• No significant change

• Fluctuating without a clear trend

What is the overall trend in ocean heat levels?

• Increasing ocean heat levels

• Decreasing ocean heat levels

• No significant change

• Fluctuating without a clear trend

What can be inferred about the relationship between temperature change and the rate of climate change?

• The greater the temperature change, the slower the rate of climate change.

• The rate of climate change is not related to temperature change.

• The greater the temperature change, the faster the rate of climate change.

• The rate of climate change is constant regardless of temperature change.

What is the decadal average warming from 1981-1990 for the month of February based on the provided data?

• 0.331

• 0.507

• 0.624

• 0.86

What is the decadal average warming from 1991-2000 for the month of February based on the provided data?

• 0.331

• 0.507

• 0.624

• 0.86

What is the decadal average warming from 2001-2010 for the month of February based on the provided data?

• 0.331

• 0.507

• 0.624

• 0.86