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Exploring Soil Pollution and Environmental Impact Quiz

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Questions and Answers

What percentage of life forms on the planet is sustained by topsoil?

Eighty-seven percent

How does soil-based carbon sequestration work?

Soils contain a lot of carbon that plants took in from the atmosphere while they were alive. Especially in colder climates where decomposition is slow, soils can sequester this carbon for a very long time.

What is the impact of converting natural ecosystems to farmland on soil structure and carbon storage?

Converting natural ecosystems like forests and grasslands to farmland disturbs soil structure, releasing much of the stored carbon and contributing to climate change.

Over the past 12,000 years, how much carbon has the growth of farmland released?

About 110 billion Signup and view all the answers

What department does Dr. Amit Kumar belong to at MNIT Jaipur?

Department of Civil Engineering Signup and view all the answers

What role do soils play in sustaining life forms on the planet?

Soils sustain eighty-seven percent of life forms on the planet, including microbes, worms, insects, birds, animals, human beings, plants, trees, and other vegetation. Signup and view all the answers

How do soils contribute to carbon sequestration?

Soils contain a lot of carbon, which is obtained from the atmosphere by plants during their lifetime. In colder climates, where decomposition is slow, soils can sequester this carbon for a long time. Without soil, this carbon would return to the atmosphere as CO2, a greenhouse gas. Signup and view all the answers

What is the impact of converting natural ecosystems like forests and grasslands into farmland on soil structure and carbon storage?

Converting natural ecosystems to farmland disturbs soil structure, releasing much of the stored carbon and contributing to climate change. Signup and view all the answers

How has the growth of farmland over the past 12,000 years impacted carbon release?

The growth of farmland over the past 12,000 years has released about 110 billion tons of carbon, contributing to climate change. Signup and view all the answers

Why is soil-based carbon sequestration especially significant in colder climates?

Soil-based carbon sequestration is significant in colder climates because decomposition is slow, allowing soils to sequester carbon for a very long time, preventing it from returning to the atmosphere as CO2. Signup and view all the answers

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Study Notes

Soil and Carbon Sequestration

A significant percentage of life forms on the planet rely on topsoil for sustenance.

Soil-based Carbon Sequestration

Soil-based carbon sequestration is a process that helps mitigate climate change by capturing atmospheric carbon dioxide and storing it in soils.
Soils play a crucial role in sustaining life forms on the planet, contributing to carbon sequestration.

Impact of Converting Natural Ecosystems to Farmland

Converting natural ecosystems like forests and grasslands into farmland alters soil structure and reduces carbon storage.
Over the past 12,000 years, the growth of farmland has released a substantial amount of carbon into the atmosphere.

Significance of Soil-based Carbon Sequestration

Soil-based carbon sequestration is particularly important in colder climates due to its potential to mitigate climate change.

Dr. Amit Kumar

Dr. Amit Kumar is affiliated with MNIT Jaipur, but the specific department is not specified.

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