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12. 13. 14. Which of the following conditions is necessary to support the formation of life forms in early Earth? a. widespread volcanic activities b. frequent lightning occurrences C. a reducing atmospheric condition d. a surface temperature of ~300-400°C e. all of these choices What is the basis of the division of Earth into three layers: the crust, mantle, and core? a. their composition b. the color of each layer c. their ages of formation d. the ability to convect heat e. their physical and mechanical characteristic What causes Earth's electromagnetic field? a. convection of the liquid Fe core b. the electrical conduction of the liquid outer core c. the rotating Fe-Ni inner core d. the thermal gradient in the core e. all of these choices 15. What enables the fluid lower mantle to convect heat? a. its silicate composition b. its electrical conduction c. the thermal gradient in the mantle d. the electromagnetic activity of the core e. its similarity with the outer core's compositionen de Earth, what processes the lithosphere and

12. 13. 14. Which of the following conditions is necessary to support the formation of life forms in early Earth? a. widespread volcanic activities b. frequent lightning occurrences C. a reducing atmospheric condition d. a surface temperature of ~300-400°C e. all of these choices What is the basis of the division of Earth into three layers: the crust, mantle, and core? a. their composition b. the color of each layer c. their ages of formation d. the ability to convect heat e. their physical and mechanical characteristic What causes Earth's electromagnetic field? a. convection of the liquid Fe core b. the electrical conduction of the liquid outer core c. the rotating Fe-Ni inner core d. the thermal gradient in the core e. all of these choices 15. What enables the fluid lower mantle to convect heat? a. its silicate composition b. its electrical conduction c. the thermal gradient in the mantle d. the electromagnetic activity of the core e. its similarity with the outer core's compositionen de Earth, what processes the lithosphere and

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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12. 13. 14. Which of the following conditions is necessary to support the formation of life forms in early Earth? a. widespread volcanic activities b. frequent lightning occurrences 15. C. a reducing atmospheric condition d. a surface temperature of ~300-400°C e. all of these choices What is the basis of the division of Earth into three layers: the crust, mantle, and core? a. their composition b. the color of each layer c. their ages of formation d. the ability to convect heat e. their physical and mechanical characteristic What causes Earth's electromagnetic field? a. convection of the liquid Fe core b. the electrical conduction of the liquid outer core c. the rotating Fe-Ni inner core d. the thermal gradient in the core e. all of these choices What enables the fluid lower mantle to convect heat? a. its silicate composition b. its electrical conduction c. the thermal gradient in the mantle d. the electromagnetic activity of the core Prope. Hits similarity with the outer core's composition ce inside Earth, what processes are formed by the the lithosphere and
Transcribed Image Text:12. 13. 14. Which of the following conditions is necessary to support the formation of life forms in early Earth? a. widespread volcanic activities b. frequent lightning occurrences 15. C. a reducing atmospheric condition d. a surface temperature of ~300-400°C e. all of these choices What is the basis of the division of Earth into three layers: the crust, mantle, and core? a. their composition b. the color of each layer c. their ages of formation d. the ability to convect heat e. their physical and mechanical characteristic What causes Earth's electromagnetic field? a. convection of the liquid Fe core b. the electrical conduction of the liquid outer core c. the rotating Fe-Ni inner core d. the thermal gradient in the core e. all of these choices What enables the fluid lower mantle to convect heat? a. its silicate composition b. its electrical conduction c. the thermal gradient in the mantle d. the electromagnetic activity of the core Prope. Hits similarity with the outer core's composition ce inside Earth, what processes are formed by the the lithosphere and
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