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What are the characteristics of the Jovian planets?

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The Jovian planets ΜΆ Jupiter,S...

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The ocean crust is composed mostly of what?


A) granite
B) peridotite
C) basalt
D) sial
E) gneiss

F) A) and B)
G) D) and E)

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C

What is the sequence of steps in the formation of sedimentary rocks?

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weathering,erosion,t...

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Plates of ____________________ move over the ____________________,partly as a result of ____________________ cells.

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lithosphere,asthenosphere,convection

What about Earth makes it suitable for a wide variety of life?

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A hospitable atmosph...

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A combination of related parts that interact in an organized fashion is a(n)____________________.

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How is a theory formulated?

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Theories are formulated using scientific method.Observations and data are gathered to test the problem.Tentative explanations,also called hypotheses,are then formulated to explain the observations and data.More tests are done and the data are analyzed.If the data show that the hypothesis is not correct,it is tossed out.If the data support the hypothesis,there are no significant data refuting it,and it is accepted by scientists,it becomes a theory.

Which of the following statements about a scientific theory is not true?


A) It is an explanation for some natural phenomena.
B) It has a large body of supporting knowledge.
C) It is testable.
D) It is conjecture or guess.
E) None of these

F) B) and E)
G) D) and E)

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Natural selection refers to organisms choosing the habitat in which they feel most comfortable.

A) True
B) False

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What are the three major groups of rocks?

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igneous,se...

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The solar nebula theory of the formation of the solar system accounts for the differences in composition between the terrestrial and Jovian planets.

A) True
B) False

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What is scientific method?

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Scientific method is an orderly,logical ...

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Among the evidence for the Big Bang origin of the universe is


A) the separation of the four basic forces
B) galaxies are all moving away from one another
C) a universal background radiation slightly above zero
D) the separation of the four basic forces AND a universal background radiation slightly above zero
E) galaxies are all moving away from one another AND a universal background radiation slightly above zero

F) None of the above
G) A) and B)

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Briefly explain the importance of the Principle of Uniformitarianism to the study of historical geology.

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Uniformitarianism provides the basis for...

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The material in Earth's inner core is ____________________,while the outer core is ____________________.

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Natural selection refers to survival of organisms that are best adapted to their environment.

A) True
B) False

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Sudden or catastrophic events,such as volcanic eruptions and tsunami,can be explained by


A) the big bang theory.
B) the theory of natural selection.
C) the third law of thermodynamics.
D) the principle of uniformitarianism.

E) All of the above
F) A) and B)

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Briefly explain how geologists can formulate theories about events that occurred on Earth before humans were here to make observations.

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Geologists base their theories on two as...

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What distinguishes science from other forms of human inquiry?

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Scientific ideas are based on ...

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What is greenhouse effect and how does it work? What happens when greenhouse gas levels in the atmosphere increase?

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Carbon dioxide and other greenhouse gase...

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