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The ___________ is the age of rock or other objects determined by the properties of the atoms that make up the materials
in the bottom layer
index fossils
its age in comparison to the age of other things.
uniformitarianism
unconformities
older things are onthe bottom and younger things are near the top
absolute age
radiometric dating
Which is the principle of superposition?
in the bottom layer
index fossils
its age in comparison to the age of other things.
uniformitarianism
unconformities
older things are onthe bottom and younger things are near the top
absolute age
radiometric dating
Calculating the absolute age of a rock by measuring the amounts of parent and daugher materials in a rock and knowing the half-life of the parent materials is called
in the bottom layer
index fossils
its age in comparison to the age of other things.
uniformitarianism
unconformities
older things are onthe bottom and younger things are near the top
absolute age
radiometric dating
Gaps in rock sequences are called _____________.
in the bottom layer
index fossils
its age in comparison to the age of other things.
uniformitarianism
unconformities
older things are onthe bottom and younger things are near the top
absolute age
radiometric dating
Suppose you observe several layers of rock that have been exposed by road work. The oldest rock is probably
in the bottom layer
index fossils
its age in comparison to the age of other things.
uniformitarianism
unconformities
older things are onthe bottom and younger things are near the top
absolute age
radiometric dating
The relative age of something is __________________.
in the bottom layer
index fossils
its age in comparison to the age of other things.
uniformitarianism
unconformities
older things are onthe bottom and younger things are near the top
absolute age
radiometric dating
The principle that Earth processes occurring today are similar to those that occurred in the past.
in the bottom layer
index fossils
its age in comparison to the age of other things.
uniformitarianism
unconformities
older things are onthe bottom and younger things are near the top
absolute age
radiometric dating
_______ are the remains of species that existed on Earth for relatively short periods of time, were abundant, and were widespread geographically.
in the bottom layer
index fossils
its age in comparison to the age of other things.
uniformitarianism
unconformities
older things are onthe bottom and younger things are near the top
absolute age
radiometric dating
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