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A type of rock formed by heat and pressure is
metamorphic
It was the Age of Mammals
All of the above.
Gases escape from sediment, leaving carbon behind. Eventually only a thin film of carbon remains.
To date rocks based on a comparison between the observed abundance of a naturally occurring radioactive isotopes.
forms when entire organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber.
forms when sediments bury an organism and the sediments change into rock; the organism decays leaving a cavity in the shape o
4.6 billion years old
Based on fossil records, how old is the Earth?
metamorphic
It was the Age of Mammals
All of the above.
Gases escape from sediment, leaving carbon behind. Eventually only a thin film of carbon remains.
To date rocks based on a comparison between the observed abundance of a naturally occurring radioactive isotopes.
forms when entire organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber.
forms when sediments bury an organism and the sediments change into rock; the organism decays leaving a cavity in the shape o
4.6 billion years old
Why is the Cenozoic era important?
metamorphic
It was the Age of Mammals
All of the above.
Gases escape from sediment, leaving carbon behind. Eventually only a thin film of carbon remains.
To date rocks based on a comparison between the observed abundance of a naturally occurring radioactive isotopes.
forms when entire organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber.
forms when sediments bury an organism and the sediments change into rock; the organism decays leaving a cavity in the shape o
4.6 billion years old
What happened during the Precambrian time?
metamorphic
It was the Age of Mammals
All of the above.
Gases escape from sediment, leaving carbon behind. Eventually only a thin film of carbon remains.
To date rocks based on a comparison between the observed abundance of a naturally occurring radioactive isotopes.
forms when entire organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber.
forms when sediments bury an organism and the sediments change into rock; the organism decays leaving a cavity in the shape o
4.6 billion years old
How does carbon film form?
metamorphic
It was the Age of Mammals
All of the above.
Gases escape from sediment, leaving carbon behind. Eventually only a thin film of carbon remains.
To date rocks based on a comparison between the observed abundance of a naturally occurring radioactive isotopes.
forms when entire organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber.
forms when sediments bury an organism and the sediments change into rock; the organism decays leaving a cavity in the shape o
4.6 billion years old
How do scientists use radioactive dating?
metamorphic
It was the Age of Mammals
All of the above.
Gases escape from sediment, leaving carbon behind. Eventually only a thin film of carbon remains.
To date rocks based on a comparison between the observed abundance of a naturally occurring radioactive isotopes.
forms when entire organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber.
forms when sediments bury an organism and the sediments change into rock; the organism decays leaving a cavity in the shape o
4.6 billion years old
What is a trace fossil?
metamorphic
It was the Age of Mammals
All of the above.
Gases escape from sediment, leaving carbon behind. Eventually only a thin film of carbon remains.
To date rocks based on a comparison between the observed abundance of a naturally occurring radioactive isotopes.
forms when entire organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber.
forms when sediments bury an organism and the sediments change into rock; the organism decays leaving a cavity in the shape o
4.6 billion years old
What is a mold fossil?
metamorphic
It was the Age of Mammals
All of the above.
Gases escape from sediment, leaving carbon behind. Eventually only a thin film of carbon remains.
To date rocks based on a comparison between the observed abundance of a naturally occurring radioactive isotopes.
forms when entire organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber.
forms when sediments bury an organism and the sediments change into rock; the organism decays leaving a cavity in the shape o
4.6 billion years old
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