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Geology 109 Exam 1 Latest Update Actual Exam from Credible Sources with 240 Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor
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Course
Geology 109
Institution
Geology 109
Geology 109 Exam 1 Latest Update Actual Exam from Credible Sources with 240 Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor
Geology 109 Exam 1 Latest Update 2024-2025
Actual Exam from Credible Sources with 240
Questions and Verified Correct Answers Golden
Ticket to Guaranteed A+ Verified by Professor
A "star" that shines, but not as a result of nuclear reactions, is called a __________. -
CORRECT ANSWER: protostar
A giant molecular cloud is best described by which statement? - CORRECT ANSWER:
It is a cool mass of gas and dust that can be light years across.
About how old are the lunar maria? - CORRECT ANSWER: They range in age from
about 4.0 billion years old to at least 2.5 billion years old.
According to our best modern day evidence, how long ago was the Big Bang? -
CORRECT ANSWER: About 14 billion years ago.
Arrange these impact craters from smallest (on top) to largest (on bottom) - CORRECT
ANSWER: Smallest:
Crater D
Crater B
Crater A
Crater C
Click on one of the volcanic craters in this image. - CORRECT ANSWER: B
Click on the oldest crater depicted below. - CORRECT ANSWER: A
Click on the youngest lava flow that crosses this part of the lunar maria. - CORRECT
ANSWER: E
,Condensation in the solar nebula and accretion of planets is thought to have occurred
about how many years ago? - CORRECT ANSWER: 4,500,000,000 y
Consider the interior structure of a planet. How is a lithosphere different from a crust? -
CORRECT ANSWER: A lithosphere is a mechanical subdivision, and crust is a
compositional term.
Consider two planets that are the same age. Which one will have the thicker
lithosphere? - CORRECT ANSWER: A small rocky planet
Craters with central peaks generally ______________. - CORRECT ANSWER: have
terraced walls
Do the principles of superposition and cross cutting relations tell us how old a particular
crater or surface is in number of years (the absolute age)? - CORRECT ANSWER: No.
Examine this photograph of the nearside of the Moon. How can you tell that
Eratosthenes crater is younger than Imbrium Basin? (Select all that apply.) - CORRECT
ANSWER: Imbrium is buried by smooth lava plains, but Eratosthenes is not.
Eratosthenes formed on the rim of Imbrium.
Examine this photograph of the nearside of the Moon. What shows that the crater
Copernicus is younger than Eratosthenes? (Select all that apply.) - CORRECT
ANSWER: It has fresh rays of impact ejecta radiating from it.
The rays from Copernicus cross over Eratosthenes crater.
Examples of highly refractory materials are - CORRECT ANSWER: tungsten (W),
osmium (Os), and zirconium (Zr)
How are elements heavier than iron produced? - CORRECT ANSWER: During a
supernova explosion
,How did Earth's atmosphere form? - CORRECT ANSWER: By gaseous exhalations
from rocks deep inside.
How did the giant outer planets obtain their thick atmospheres? - CORRECT ANSWER:
By collapse of nebular gas onto a protoplanet's icy core.
How old are the oldest rocks found so far on the Moon? - CORRECT ANSWER: The
oldest rocks found on the Moon so far are about 4.5 billion years old.
How will the Sun's life probably end? - CORRECT ANSWER: With the formation of a
planetary nebula.
Important sources of planetary heat include all of the following except - CORRECT
ANSWER: the Big Bang
In general, large planets cool - CORRECT ANSWER: more slowly than small planets of
similar compositions
Landforms produced by lunar volcanism include which of the following? (Select all that
apply.) - CORRECT ANSWER: lava flows
low shield volcanoes
lava channels
Large planetary bodies failed to accrete in some parts of the solar system and did not
sweep their neighborhoods clear of debris. Select the two most prominent zones of this
"debris." - CORRECT ANSWER: between Mars and Jupiter
beyond Neptune
Many supernovas are the result of - CORRECT ANSWER: collapse of a star with
multiple burning shells
, Mare basalts are characteristically _________________________. - CORRECT
ANSWER: very fluid
Most asteroids are probably in which size range? - CORRECT ANSWER: 0 to 10 km
across
Most meteorites that fall to Earth are of which type? - CORRECT ANSWER: stony
meteorites
Most of the mass of the solar nebula resided in materials which - CORRECT ANSWER:
did not condense to form solids.
On this photo of the Moon, click on a part of the highlands. - CORRECT ANSWER: B
On this photo of the Moon, click on one of the maria. - CORRECT ANSWER: C
Put the following stages in the evolution of a medium-sized star in the correct time
order, placing the first stage on the top and the last stage on the bottom. - CORRECT
ANSWER: First Stage:
Molecular Cloud
Protostar
Main Sequence Star
Red Giant
Planetary Nebula
Some stony-iron meteorites appear to have ______________________. - CORRECT
ANSWER: been formed at the core-mantle boundary of an asteroid
Sort the lunar time periods chronologically by placing the youngest period on top and
the oldest on bottom. - CORRECT ANSWER: Youngest:
Copernican
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