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Question

Carbon sequestration is an important technique in addressing climate change. Which of the following is not a carbon sequestration technique?


A

Bringing large tracks of tropical regions under afforestation

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B

Injecting CO2 into oil fields and oceans

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C

Development of wetlands

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D

Reducing the emission of carbon dioxide by reducing burning of fossil fuels

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Solution

The correct option is D

Reducing the emission of carbon dioxide by reducing burning of fossil fuels


Carbon sequestration is the process involved in carbon capture and the long-term storage of atmospheric carbon dioxide. Carbon dioxide is naturally captured from the atmosphere through biological, chemical, or physical processes.

Some important methods of Carbon sequestration

  • Peat production
  • Reforestation
  • Wetland restoration
  • Mineral carbonation
  • Ocean storage
  • Subterranean injection
  • Chemical scrubbers

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Q. Q. Consider the following statements with reference to Carbon sequestration:

1. Ocean fertilisation is one of the sustainable natural methods of Carbon sequestration.
2. Bioshields are an effective way of increasing Carbon sequestration.
3. Hydrodynamic trapping is a method of carbon sequestration, where CO2 is trapped under low-permeability cap rock.
4. Tillage of post harvest soils contribute to sequestration of natural carbon.

Which of the above given statements are correct?


Q. कार्बन अधिग्रहण के संदर्भ में निम्नलिखित कथनों पर विचार कीजिए:

1. महासागर निषेचन कार्बन अधिग्रहण के स्थायी प्राकृतिक तरीकों में से एक है।
2. जैव ढाल कार्बन अधिग्रहण बढ़ाने का एक प्रभावी तरीका है।
3. हाइड्रोडायनामिक ट्रैपिंग कार्बन अधिग्रहण का एक तरीका है, जहां CO2 कम-पारगम्यता वाली चट्टानों में ट्रैप हो जाती है।
4. फसल कटाई के बाद की मिट्टी की जुताई प्राकृतिक कार्बन के स्राव में योगदान देती है।

उपर्युक्त कथनों में से कौन से सही हैं?

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