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Why can the geologic record be analyzed by looking at different rock layers?
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A fossil that is found in the rock layers of only one geologic age and that is used to establish the age of the rock layers?
An index fossil.
Where is the geologic column found in its entirety in the earth's crust?
It is found in earth's rock layers
How can you use fossils and geologic features interpret the relative age of rock layers?
Geologists use carbon-14 to interpret the relative age of rock layers
According to the principle of original horizontality, what most likely happened to the rock layers in the background?
They were deposited horizontally and then shifted by a geologic event.
Why is air pressure different in the different layers of the atmosphere?
The different "layers" are classifications of horizontal sections of the atmosphere, volumes which exhibit different attributes. The high and low pressure regions are areas where the atmosphere is thicker or thinner.
How will a scientist make a geologic column of rock layers from different parts of the state?
help
What would be the best evidence to support a theory that rock layers from different areas are the same age?
geologic colums
Diffrenciate geologic time with geologic column?
Geologic column is an ordered arrangement of rock layers that is based on the relative age of the rocks. Geologic time is the time IN the geologic column.
How are rock layers arranging the geologic column?
The oldest rocks (layers) are at the bottom. The youngestrocks (layers) are at the top
What is a sentence using the word geologic?
The geological study of Antarctica is difficult because of its thick ice cap. The geological history of the area can be observed where the rock layers are exposed.
Which of earths layers is the coldest?
The crust is the coldest geologic layer.
How do geologists use geologic column?
Geologists use the geologic column to classify layers of rocks and fossils that make up the Earth's crust.
A fossil that is found in the rock layers of only one geologic age and that is used to establish the age of the rock layers?
An index fossil.
What methods did geologist used when they first developed the geologic time scale?
The methods the geologists used when they first developed the geologic time scale. Were studying rock layers and index fossils worldwide. By Patrick
What is an unconfomity?
a gap in the geologic record that shows where rock layers have been lost do to erosion
What is a monocline?
A geologic structure in which all layers are inclined in the same direction. Source: Answers.com
Where in the Earth's crust is the geologic column found in its entirety?
It is found in earth's rock layers
