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ERTH 101 MIDTERM Exam Questions
With Correct Answers
The __________ consists of Earth's solid rocks. - answer✔lithosphere
The Earth sphere that represents living organisms is the hydrosphere. - answer✔False
Darwin's studies of evolution are now considered _____. - answer✔a theory
What natural resources are created by the rock cycle?
a.) petroleum
b.) soil
c.) coal
d.) natural gas
e.) all of the above - answer✔e.) all of the above
Earth's crust is continually recycled. This process is called the ____. - answer✔rock cycle
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It is widely accepted in the scientific community that evolution is responsible for the vast
diversity of life on Earth. - answer✔True
What name did Wegener give the supercontinent that existed before the plates separated into
their present configuration? - answer✔Pangaea
It was the natural "fit" of the continents that initiated Alfred Wegener's interest in the possible
drift of the continents. - answer✔True
Captain Harry Hess of Princeton University introduced a new concept to the scientific
community during World War II. He produced evidence obtained from seafloor mapping that
proved the ocean floor was indeed flat and featureless. - answer✔False
What type of rock is the primary constituent of Earth's crust? - answer✔Igneous rock
Metamorphic rock is formed by compacted or cemented sediment. - answer✔False
The most devastating tsunami ever recorded was: - answer✔The 2004 tsunami in Indonesia
Which of the following does not count as a geologic hazard?
a.) landslides
b.) tsunamis
c.) earthquakes
d.) volcanic eruptions
e.) all of the above - answer✔e.) all of the above
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It is natural for floods to occur regularly; in fact, flooding helps encourage a healthy ecosystem
on the floodplains. - answer✔True
In nature, what usually follows the process of weathering? - answer✔erosion
There are billions of years separating when scientists believe the first single-celled life forms
existed and then, much later, when the first multicellular organisms came into existence on
Earth. - answer✔true
Data have been compiled based on close analyses of fossils and rock strata. The data have been
used to better understand parts of Earth's history, including the evolution of life. - answer✔true
The four terrestrial planets are: - answer✔Mercury, Venus, Earth, and Mars
The four gas giants are: - answer✔Jupiter, Saturn, Uranus, and Neptune
How old do scientists suspect the universe is? - answer✔14 billion years old
What does the Solar Nebula Hypothesis propose? - answer✔The Sun and planets formed at the
same time from the collapse of a planetary nebula
The most common gases in our solar system are hydrogen, helium, and oxygen. - answer✔false
Which of the following gases did not accumulate in a thin atmospheric layer around the
terrestrial planets when they first formed? - answer✔Nitrous oxide
What is the largest planet in our solar system? - answer✔Jupiter
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