Question 1

The group of plant fossils that provides important evidence for the existence of Gondwana is ____________________.

Accepted Answer

The answer of The group of plant fossils that provides...

Question 2

Most of the petroleum found in the Persian Gulf area formed at a ____________________ continental margin where the remains of ____________________ were buried and converted to petroleum.

Accepted Answer

passive,mi

Question 3

A rock will preserve its remnant magnetism as long as it is not heated above the Curie point.

Accepted Answer

A) True 
 B)False

Question 4

What do glacial striations indicate?

Accepted Answer

Glacial striations i

Question 5

At divergent plate boundaries,plates are moving ____________________.At these locations,new ____________________ forms.

Accepted Answer

The answer of At divergent plate boundaries,plates are moving ____________________.At...

Question 6

A transform plate boundary may connect:

Accepted Answer

A) a spreading ridge and subduction zone. 
B) two spreading ridges. 
C) two subduction zones. 
D) a spreading ridge and a subduction zone or two subduction zones. 
E) a spreading ridge and a subduction zone,two spreading ridges,or two subduction zones. 
A) a spreading ridge and subduction zone. 
B) two spreading ridges. 
C) two subduction zones. 
D) a spreading ridge and a subduction zone or two subduction zones. 
E) a spreading ridge and a subduction zone,two spreading ridges,or two subduction zones.

Question 7

What is the reason that the presence of Glossopteris flora fossils was strong evidence for the existence of Gondwana?

Accepted Answer

The seeds of the Glossopteris

Question 8

At mid-oceanic ridges,hot magma rises from the ____________________ and forms new ____________________.

Accepted Answer

The answer of At mid-oceanic ridges,hot magma rises from the...

Question 9

At a convergent plate boundary,oceanic crust is ____________________.

Accepted Answer

The answer of At a convergent plate boundary,oceanic crust is...

Question 10

Paleomagnetic data plotted on a map suggested that the magnetic pole had moved over time;this phenomenon was called ____________________.

Accepted Answer

The answer of Paleomagnetic data plotted on a map suggested...

Question 11

Who was the first person to suggest that all of the continents had been once joined together as a supercontinent called Pangaea and when was that idea proposed?

Accepted Answer

The German meteorolo

Question 12

The symmetrical pattern of magnetic polarities about spreading ridges in oceanic crust basalts indicates that:

Accepted Answer

A) each plate has had an independent set of magnetic reversals. 
B) basalt retains its magnetic signature for only a few million years. 
C) new ocean crust is created by volcanism at oceanic ridges and old crust moves laterally away from the ridge. 
D) the oceanic crust is geologically young. 
E) magnetic polarity reverses but northern and southern hemispheres do not. 
A) each plate has had an independent set of magnetic reversals. 
B) basalt retains its magnetic signature for only a few million years. 
C) new ocean crust is created by volcanism at oceanic ridges and old crust moves laterally away from the ridge. 
D) the oceanic crust is geologically young. 
E) magnetic polarity reverses but northern and southern hemispheres do not.

Question 13

Explain how mountain ranges can be used as evidence to support continental drift.

Accepted Answer

A mountain range forms under the same ge

Question 14

Briefly explain how convection transfers heat.

Accepted Answer

When a material is heated,it expands.Its

Question 15

Why is plate tectonic theory so widely accepted?

Accepted Answer

Plate tectonic theory is suppo

Question 16

What is the principal reason why Wegener's hypothesis of continental drift was rejected?

Accepted Answer

Wegener lacked a plausible mec

Question 17

Hot spots move with continental plates.

Accepted Answer

A) True 
 B)False

Question 18

Briefly explain how magnetic reversals in oceanic crust and fossils in ocean sediments are used to construct a magnetic time scale.

Accepted Answer

A terrestrial sequence of magnetic rever

Question 19

Radiometric dating shows that the oldest ocean crust is ____________________ years old and the oldest continental crust is ____________________ years old.

Accepted Answer

180 millio

Question 20

At a mid-oceanic ridge spreading center:

Accepted Answer

A) the plates are moving past each other. 
B) the plates are moving away from each other. 
C) the plates are moving toward each other. 
D) one plate is being subducted beneath another. 
E) both plates are being subducted. 
A) the plates are moving past each other. 
B) the plates are moving away from each other. 
C) the plates are moving toward each other. 
D) one plate is being subducted beneath another. 
E) both plates are being subducted.

The group of plant fossils that provides important evidence for the existence of Gondwana is ____________________.

Most of the petroleum found in the Persian Gulf area formed at a continental margin where the remains of were buried and converted to petroleum.

A rock will preserve its remnant magnetism as long as it is not heated above the Curie point.

What do glacial striations indicate?

At divergent plate boundaries,plates are moving .At these locations,new forms.

A transform plate boundary may connect:

What is the reason that the presence of Glossopteris flora fossils was strong evidence for the existence of Gondwana?

At mid-oceanic ridges,hot magma rises from the and forms new .

At a convergent plate boundary,oceanic crust is ____________________.

Paleomagnetic data plotted on a map suggested that the magnetic pole had moved over time;this phenomenon was called ____________________.

Who was the first person to suggest that all of the continents had been once joined together as a supercontinent called Pangaea and when was that idea proposed?

The symmetrical pattern of magnetic polarities about spreading ridges in oceanic crust basalts indicates that:

Explain how mountain ranges can be used as evidence to support continental drift.

Briefly explain how convection transfers heat.

Why is plate tectonic theory so widely accepted?

What is the principal reason why Wegener's hypothesis of continental drift was rejected?

Hot spots move with continental plates.

Briefly explain how magnetic reversals in oceanic crust and fossils in ocean sediments are used to construct a magnetic time scale.

Radiometric dating shows that the oldest ocean crust is years old and the oldest continental crust is years old.

At a mid-oceanic ridge spreading center:

Understanding Earth: A Dynamic and Evolving Planet

Minerals: The Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Soil, and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Deformation, Mountain Building, and the Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Earth History

Life History

Filters

Exam 2: Plate Tectonics: A Unifying Theory

The group of plant fossils that provides important evidence for the existence of Gondwana is ____________________.

Most of the petroleum found in the Persian Gulf area formed at a ____________________ continental margin where the remains of ____________________ were buried and converted to petroleum.

A rock will preserve its remnant magnetism as long as it is not heated above the Curie point.

What do glacial striations indicate?

At divergent plate boundaries,plates are moving ____________________.At these locations,new ____________________ forms.

A transform plate boundary may connect:

What is the reason that the presence of Glossopteris flora fossils was strong evidence for the existence of Gondwana?

At mid-oceanic ridges,hot magma rises from the ____________________ and forms new ____________________.

At a convergent plate boundary,oceanic crust is ____________________.

Paleomagnetic data plotted on a map suggested that the magnetic pole had moved over time;this phenomenon was called ____________________.

Who was the first person to suggest that all of the continents had been once joined together as a supercontinent called Pangaea and when was that idea proposed?

The symmetrical pattern of magnetic polarities about spreading ridges in oceanic crust basalts indicates that:

Explain how mountain ranges can be used as evidence to support continental drift.

Briefly explain how convection transfers heat.

Why is plate tectonic theory so widely accepted?

What is the principal reason why Wegener's hypothesis of continental drift was rejected?

Hot spots move with continental plates.

Briefly explain how magnetic reversals in oceanic crust and fossils in ocean sediments are used to construct a magnetic time scale.

Radiometric dating shows that the oldest ocean crust is ____________________ years old and the oldest continental crust is ____________________ years old.

At a mid-oceanic ridge spreading center:

Understanding Earth: A Dynamic and Evolving Planet

Minerals: The Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Soil, and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Deformation, Mountain Building, and the Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Earth History

Life History

Filters

Most of the petroleum found in the Persian Gulf area formed at a continental margin where the remains of were buried and converted to petroleum.

At divergent plate boundaries,plates are moving .At these locations,new forms.

At mid-oceanic ridges,hot magma rises from the and forms new .

Radiometric dating shows that the oldest ocean crust is years old and the oldest continental crust is years old.