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Earth System and Major Themes Quiz

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Questions and Answers

What is the primary composition of the Earth's crust?

Potassium and sodium

Silicon and oxygen (correct)

Iron and magnesium

Aluminum and calcium

What is the main feature of the Earth's core?

It is the outermost layer of the Earth

It generates the Earth's magnetic field (correct)

It is composed of silicate rocks

It is a gaseous layer surrounding the Earth

Which scientist popularized the term 'biosphere'?

Friedrich Wilhelm Heinrich Alexander von Humboldt

James Lovelock

Lyn Margulis

Vladimir Vernadsky (correct)

What is the primary composition of the Earth's atmosphere?

78% nitrogen, 21% oxygen Signup and view all the answers

Which scientist(s) developed the Gaia Hypothesis?

James Lovelock and Lyn Margulis Signup and view all the answers

What was the significance of the report 'Earth System Science: A Program for Global Change' published in 1988?

It demonstrated how the Earth's systems are interconnected Signup and view all the answers

What powers the Earth system?

The Sun Signup and view all the answers

What percentage of Earth's water is fresh?

3% Signup and view all the answers

Which subsystem includes all life forms on Earth?

Biosphere Signup and view all the answers

In a closed system, which of the following exchanges occur?

Exchange of heat or energy only Signup and view all the answers

What are the major themes in the Earth system?

Scale, Energy, and Cycles Signup and view all the answers

Which component of the Earth system covers the solid Earth from the surface to the center?

Lithosphere Signup and view all the answers

Earth System and Major Themes Quiz

Choose a study mode

Podcast

Questions and Answers

What is the primary composition of the Earth's crust?

What is the main feature of the Earth's core?

Which scientist popularized the term 'biosphere'?

What is the primary composition of the Earth's atmosphere?

Which scientist(s) developed the Gaia Hypothesis?

What was the significance of the report 'Earth System Science: A Program for Global Change' published in 1988?

What powers the Earth system?

What percentage of Earth's water is fresh?

Which subsystem includes all life forms on Earth?

In a closed system, which of the following exchanges occur?

What are the major themes in the Earth system?

Which component of the Earth system covers the solid Earth from the surface to the center?

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