Final exam 1
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School
Rio Hondo College *
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Course
124
Subject
Geology
Date
Dec 6, 2023
Type
docx
Pages
3
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
Correct! Because there is no subduction
Because the plates don't move fast enough
Question 9
4 / 4 pts
What was Pangea?
Gondwana
South America and Africa
Correct! A supercontinent that broke up 180 million years ago
A supercontinent that broke up during Earth's formation
Question 10
4 / 4 pts
Which of the following provides evidence for the existence of Pangea?
Matching coastlines
Identical fossils on continents separated by an ocean
Ancient glacier deposits at the equator
Correct! All of the above
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