Question 1

Which of the following is commonly used to determine the age of seafloor samples recovered by the deep-sea drilling project?

Accepted Answer

A) carbon-14 dating 
B) foraminifera fossils 
C) chemical composition 
D) gravity measurements 
A) carbon-14 dating 
B) foraminifera fossils 
C) chemical composition 
D) gravity measurements

Question 2

How old are the oldest rocks on the ocean floor?

Accepted Answer

A) approximately 20 million years old 
B) approximately 600 million years old 
C) approximately 200 million years old 
D) approximately 4.0 billion years old 
A) approximately 20 million years old 
B) approximately 600 million years old 
C) approximately 200 million years old 
D) approximately 4.0 billion years old

Question 3

The east coast of North America is

Accepted Answer

A) a convergent plate boundary. 
B) a transform plate boundary. 
C) a divergent plate boundary. 
D) not a plate boundary. 
A) a convergent plate boundary. 
B) a transform plate boundary. 
C) a divergent plate boundary. 
D) not a plate boundary.

Question 4

New lithosphere is created

Accepted Answer

A) in deep sea trenches. 
B) in subduction zones. 
C) at mid-ocean ridges. 
D) along transform faults. 
A) in deep sea trenches. 
B) in subduction zones. 
C) at mid-ocean ridges. 
D) along transform faults.

Which of the following is commonly used to determine the age of seafloor samples recovered by the deep-sea drilling project?

How old are the oldest rocks on the ocean floor?

The east coast of North America is

New lithosphere is created

The Earth System

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters

Exam 2: Plate Tectonics: The Unifying Theory

Which of the following is commonly used to determine the age of seafloor samples recovered by the deep-sea drilling project?

How old are the oldest rocks on the ocean floor?

The east coast of North America is

New lithosphere is created

The Earth System

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters