Earth's History
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20 QuestionsShow answers- Question 130 secondsReport an issueQ.
The diagram shows different layers of sedimentary rock. Each layer is labeled with a letter.
answer choices - Question 230 secondsReport an issueQ.
The geologic map below shows several rock formations exposed when a road is cut through a hillside.
Which formation in this geological map is youngest?
answer choices - Question 330 secondsReport an issueQ.
A fossil discovered in Colorado dates from the early Mesozoic era. A year later a similar fossil is found in Wyoming that also dates from the early Mesozoic era. These two organisms most likely lived in
answer choices - Question 430 secondsReport an issueQ.
Which of these provides the BEST evidence that the distribution of Earth’s oceans has changed over time?
answer choices - Question 530 secondsReport an issueQ.
Scientists estimate that if index fossils were deposited during a certain time frame, then the entire rock layer was also deposited at the same time.
A scientist finds Trophite fossils. According to the chart above, in what era and period was this rock layer deposited?
answer choices - Question 630 secondsReport an issueQ.
Which method would be BEST for scientists to use to determine the absolute age of a Precambrian igneous rock?
answer choices - Question 730 secondsReport an issueQ.
A teacher gave students this diagram of rock layers. The teacher directed the students to determine the relative age of each rock layer based only on the information presented in the diagram.
Which method can BEST be used by the students to determine the relative age of these layers?
answer choices - Question 830 secondsReport an issueQ.
Which environmental condition MOST likely existed at the time a fossil formed?
answer choices - Question 930 secondsReport an issueQ.
Certain fossils can be used to help determine the age of the rock layer in which the fossils are found. Which type of fossil is BEST to use when making this determination?
answer choices - Question 1030 secondsReport an issueQ.
Use this geologic profile to answer the following question.
Which of the following BEST describes the fossil at Point 3 when compared with the fossils at Points 1 and 2?
answer choices - Question 1130 secondsReport an issueQ.
When two fish die, Fish A sinks to the bottom of a lake and Fish B washes up on the rocky lake shore.
Why is a fossil more likely to form from the body of Fish A than from the body of Fish B?
answer choices - Question 1230 secondsReport an issueQ.
Trilobites are extinct animals that lived in the oceans. Fossils of these animals can be found in dry areas such as Cincinnati. What does this indicate?
answer choices - Question 1330 secondsReport an issueQ.
Structural geologists study rock formations to determine the type of environment in which the rocks formed and the events that shaped the rocks. Paleontologists study fossils found in rock formations. Scientists in both these fields have a common interest in discovering the:
answer choices - Question 1430 secondsReport an issueQ.
A student has made the geologic column that you see here.
answer choices - Question 1530 secondsReport an issueQ.
A scientist drew some diagrams of ancestors of elephants based on fossil evidence.
Which is the BEST conclusion that can be made from comparing the diagrams?
answer choices - Question 1630 secondsReport an issueQ.
Scientists are able to conclude that a forested ecosystem existed in Antarctica millions of years ago by studying:
answer choices - Question 1730 secondsReport an issueQ.
Several dinosaur bones are discovered buried in volcanic ash. The type of dinosaur can BEST be identified by
answer choices - Question 1830 secondsReport an issueQ.
Which statement best describes the Law of Superposition?
answer choices - Question 1930 secondsReport an issueQ.
How do scientists know that some mountains were once at the bottom of an ocean?
answer choices - Question 2030 secondsReport an issueQ.
What do earthquakes tell scientists about the history of the planet?
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