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Exam 1: Introduction to Earth Science

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Question 31

Multiple Choice

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Which of the following energy sources is thought to drive the lateral motions of Earth's lithospheric plates?

A) gravitational attractive forces of the Sun and Moon
B) electrical and magnetic fields localized in the inner core
C) export of heat from deep in the mantle to the top of the asthenosphere
D) swirling movements of the molten iron particles in the outer core

E) C) and D)
F) None of the above

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Question 32

Multiple Choice

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The ________ is the thinnest layer of the Earth.

A) crust
B) outer core
C) mantle
D) inner core

E) All of the above
F) C) and D)

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Question 33

Short Answer

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Theories that are extensively documented and comprehensive in their scope are called ________.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

What is the relationship of the dense oceanic crust that is produced at a divergent plate boundary to the convergence or collision of an oceanic plate and a continental plate, such as the western margin of South America in the diagram below?

What is the source of the energy that powers the Earth system?

The ________ refers to the sum total of all life on Earth.

The ________ is thought to be a liquid, metallic region in the Earth's interior.

The formation of the solar system from a huge cloud of gases and dispersed particles is known as the solar galactic hypothesis.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.