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Causes of Climate Change: Natural Causes

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Causes of Climate Change: Natural Causes

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Questions and Answers

What is the primary reason why the Earth has periodic seasons?

Precession

Obliquity (correct)

Tidal forces from the Moon

Eccentricity

How does an increase in obliquity affect seasonal contrast on Earth?

Decreases seasonal contrast

Causes seasons to disappear

Has no effect on seasonal contrast

Increases seasonal contrast (correct)

What effect does eccentricity have on the variation in lengths of seasons?

Causes the Earth to stop rotating

Has no effect on the variation in lengths of seasons

Increases variation in lengths of seasons (correct)

Decreases variation in lengths of seasons

What causes the Earth to wobble slightly around its rotational axis?

Tidal forces from the Sun and Moon Signup and view all the answers

Which orbital cycle appears to be the primary cause of past ice ages on Earth?

Eccentricity Signup and view all the answers

What is the main reason for variations in the intensity of sunlight reaching the surface of the Earth?

Variations in solar activity Signup and view all the answers

Which of the following is NOT a component of the Milankovitch cycles affecting Earth's climate?

Variations in solar activity Signup and view all the answers

What is the effect of changes in Earth's orbit around the sun on climate?

Lead to cooling or warming of Earth's climate Signup and view all the answers

Which component of the Milankovitch cycle refers to the shape of Earth's orbit around the sun?

Eccentricity Signup and view all the answers

Why do seasons on Earth vary slightly in length according to the text?

Eccentricity of Earth's orbit Signup and view all the answers

Which factor plays a minor role in climate change compared to human-induced climate change according to the text?

Variations in solar activity Signup and view all the answers

Causes of Climate Change: Natural Causes

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Podcast

Questions and Answers

What is the primary reason why the Earth has periodic seasons?

How does an increase in obliquity affect seasonal contrast on Earth?

What effect does eccentricity have on the variation in lengths of seasons?

What causes the Earth to wobble slightly around its rotational axis?

Which orbital cycle appears to be the primary cause of past ice ages on Earth?

What is the main reason for variations in the intensity of sunlight reaching the surface of the Earth?

Which of the following is NOT a component of the Milankovitch cycles affecting Earth's climate?

What is the effect of changes in Earth's orbit around the sun on climate?

Which component of the Milankovitch cycle refers to the shape of Earth's orbit around the sun?

Why do seasons on Earth vary slightly in length according to the text?

Which factor plays a minor role in climate change compared to human-induced climate change according to the text?

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