Study guide 2 quiz
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School
Rio Hondo College *
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Course
124
Subject
Geography
Date
Dec 6, 2023
Type
docx
Pages
4
Uploaded by neryblue15
Study guide 1
Question 1
How old is Earth?
6 billion years
100 million years
4.5 million years
Correct! 4.5 billion years
Question 2
How did Earth get its oceans?
Melting of ancient glaciers
Correct! outgassing from volcanoes created rain
It always had them
Photosynthesis of ancient bacteria
Question 3
What is a theory?
similar to a hypothesis
Just a guess
Correct!A scientific fact
An untested hypothesis
Question 4
True or False: A good hypothesis does not need to be tested
True
Correct!False
Question 5
Our solar system formed when:
Aliens decided it was time
A giant collision ocurred between two asteroid belts
Correct! An ancient sun went supernova
Jupiter outgassed rocky fragments
Question 6
What is the oldest fossil evidence for life on this planet?
Macroscopic life that evolved 540 million years ago
The dinosaurs from 65 million years ago
Correct!bacteria from 3.5 billion years ago
plants that evolved 2 million years ago
Question 7
What was Pangea?
A continent that broke apart 1 billion years ago
Correct!An ancient supercontinent that existed 180 Million years ago
A famous painting
The first bacteria
Question 8
Why did scientists laugh at Alfred Wegner's hypothesis of continental drift?
Because Earth is not geologically active
His hypothesis was 100% wrong and the continents do not move
Correct!There was no mechanism at the time which could explain how the continents move
Because he was a dumb weatherman
Question 9
1 / 1 pts
What is a tectonic plate?
A piece of asthenosphere which "floats" on the lithosphere
The same as the mesosphere
Correct!
A piece of lithosphere which "floats" on the asthenosphere
The same as a continent
Question 10
1 / 1 pts
Which of the following is NOT a type of tectonic plate boundary?
Divergent
Convergent
Correct! Transvergent
Transform
Question 11
True or False: Continent-continent collisions create volcanoes
True
Correct! False
Question 12
Where do the majority of earthquakes and volcanoes occur?
In Hawaii
The southern hemisphere
In the middle of tectonic plates
Correct!The plate boundaries
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Question 13
Which of the following was EARLY evidence for plate tectonics?
Correct! All of the above
Identical fossils separated by oceans
Climate evidence such as palm fossils in Greenland
Matching coastlines
Question 14
Why was the discovery of a reversing magnetic field so significant?
It proved the hypothesis of rare earth magnetism
Because it could be used to deafeat the Russians
Correct! It provided a quantitative way to track how the plates have moved in the past
It proved that plate tectonics is wrong