Final exam 1

.docx

School

Rio Hondo College *

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Course

124

Subject

Geology

Date

Dec 6, 2023

Type

docx

Pages

Uploaded by neryblue15

Final exam 1 Question 1 4 / 4 pts How old is Earth? Correct! 4.5 billion years 450,000 years 1450 years 4.5 million years Question 2 4 / 4 pts How did Earth's oceans form? only from asteroid impacts Correct!outgassing from volcanoes created rain Earth always had oceans Melting of ancient glaciers Question 3 4 / 4 pts The mantle consists of: iron steel Correct!partially molten rock lava Question 4 4 / 4 pts What is the lithosphere? The partially molten lower mantle

Correct!The solid crust and upper mantle The continental crust The oceanic crust Question 5 4 / 4 pts The Ocean crust is thinner and denser than Continental crust Correct True False Question 6 4 / 4 pts Continental crust is younger than Ocean crust True Correct False Question 7 4 / 4 pts At what type of plate boundary would you find subduction? Transform Divergent None of the above Correct! Convergent Question 8 4 / 4 pts Why don't Transform plate boundaries have volcanoes? Because they are poorly understood They do have volcanoes

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