Class 7 Exam > Class 7 Notes > Subject-Wise Mind Maps for Class 7 > Mindmap: Our Changing Earth
Mindmap: Our Changing Earth | Subject-Wise Mind Maps for Class 7 PDF Download
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FAQs on Mindmap: Our Changing Earth - Subject-Wise Mind Maps for Class 7
| 1. How is climate change affecting the Earth? |  |
Ans. Climate change is causing various impacts on the Earth such as rising temperatures, melting ice caps and glaciers, changing precipitation patterns, and increased frequency and intensity of extreme weather events. These changes have significant consequences for ecosystems, biodiversity, and human societies.
| 2. What are the main causes of climate change? | |
Ans. The main causes of climate change are primarily attributed to human activities, particularly the burning of fossil fuels such as coal, oil, and gas. These activities release greenhouse gases into the atmosphere, which trap heat and contribute to the warming of the Earth.
| 3. How do scientists measure changes in the Earth's climate? | |
Ans. Scientists measure changes in the Earth's climate through various methods, including analyzing temperature records, monitoring sea level rise, studying ice cores and tree rings, and using satellite observations. These data help to understand long-term climate trends and identify patterns of change.
| 4. What are the potential consequences of sea level rise? | |
Ans. Sea level rise, caused by the melting of glaciers and ice caps and the expansion of seawater due to warming, can lead to coastal erosion, increased flooding, and the displacement of coastal communities. It also poses a threat to freshwater resources and ecosystems in low-lying areas.
| 5. How can individuals contribute to mitigating climate change? | |
Ans. Individuals can contribute to mitigating climate change by adopting sustainable practices such as reducing energy consumption, using renewable energy sources, practicing waste reduction and recycling, supporting local and organic food production, and advocating for policy changes to promote a low-carbon economy.
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Dec 31, 2024 Last updated |
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