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The earths climate has been changing naturally over the last 400,000 years. The changes we see now are part of this natural cycle and are not caused by humans. do you agree or disagree with this claim

The earths climate has been changing naturally over the last 400,000 years. The changes we see now are part of this natural cycle and are not caused by humans. do you agree or disagree with this claim

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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The earths climate has been changing naturally over the last 400,000 years. The changes we see now are part of this natural cycle and are not caused by humans. do you agree or disagree with this claim
**The Vostok (Antarctica) Ice Core Record: Carbon Dioxide vs. Temperature for the last 400,000 years** **Graph Analysis:** This graph depicts the relationship between carbon dioxide levels and temperature differences over the past 400,000 years, using data obtained from ice cores in Vostok, Antarctica. **X-Axis (Bottom):** - Represents Age (years before present), ranging from 400,000 to 0 years. **Primary Y-Axis (Left):** - Represents Temperature difference from 1961 to 1990 average of -55°C (in degrees Celsius), with a range from -8°C to +4°C. **Secondary Y-Axis (Right):** - Represents Carbon Dioxide (CO2) levels (parts per million by volume), with a range from 180 ppm to 400 ppm. **Z-Axis (Top):** - Represents Depth of Ice (metres), ranging from 3300m to 0m. **Graph Explanation:** The graph has two plotted lines: - **Red Line:** Represents temperature variations. - **Blue Line:** Represents carbon dioxide concentrations. The two lines exhibit correlated fluctuations, showing periods of higher temperatures aligning with higher CO2 concentrations and vice versa. This pattern repeats over glacial-interglacial cycles throughout the 400,000-year period. **Textual Analysis:** A scientist uses the data to support the following claim: _Claim_: "The Earth's climate has been changing naturally over the last 400,000 years. The changes we see now are part of this natural cycle and are not caused by humans." Based on the data: - **Support for the Claim:** The graph shows recurring natural cycles of temperature and carbon dioxide variations, indicating that climate change has indeed occurred naturally over extensive historical periods. - **Critical Perspective:** Present data might also integrate recent anthropogenic impacts, especially post-industrial revolution CO2 spikes, suggesting recent changes could be accelerated by human activities. **Question for Further Analysis:** Do you agree or disagree with this claim? Support your answer with references to specific data from the graph and other data examined in this unit. Consider: - Natural vs. anthropogenic causes of recent climate changes. - Differences in the rate of change in historical vs. recent data.
Transcribed Image Text:**The Vostok (Antarctica) Ice Core Record: Carbon Dioxide vs. Temperature for the last 400,000 years** **Graph Analysis:** This graph depicts the relationship between carbon dioxide levels and temperature differences over the past 400,000 years, using data obtained from ice cores in Vostok, Antarctica. **X-Axis (Bottom):** - Represents Age (years before present), ranging from 400,000 to 0 years. **Primary Y-Axis (Left):** - Represents Temperature difference from 1961 to 1990 average of -55°C (in degrees Celsius), with a range from -8°C to +4°C. **Secondary Y-Axis (Right):** - Represents Carbon Dioxide (CO2) levels (parts per million by volume), with a range from 180 ppm to 400 ppm. **Z-Axis (Top):** - Represents Depth of Ice (metres), ranging from 3300m to 0m. **Graph Explanation:** The graph has two plotted lines: - **Red Line:** Represents temperature variations. - **Blue Line:** Represents carbon dioxide concentrations. The two lines exhibit correlated fluctuations, showing periods of higher temperatures aligning with higher CO2 concentrations and vice versa. This pattern repeats over glacial-interglacial cycles throughout the 400,000-year period. **Textual Analysis:** A scientist uses the data to support the following claim: _Claim_: "The Earth's climate has been changing naturally over the last 400,000 years. The changes we see now are part of this natural cycle and are not caused by humans." Based on the data: - **Support for the Claim:** The graph shows recurring natural cycles of temperature and carbon dioxide variations, indicating that climate change has indeed occurred naturally over extensive historical periods. - **Critical Perspective:** Present data might also integrate recent anthropogenic impacts, especially post-industrial revolution CO2 spikes, suggesting recent changes could be accelerated by human activities. **Question for Further Analysis:** Do you agree or disagree with this claim? Support your answer with references to specific data from the graph and other data examined in this unit. Consider: - Natural vs. anthropogenic causes of recent climate changes. - Differences in the rate of change in historical vs. recent data.
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