Index fossils are the fossils of organisms that existed over a wide area but only for a limited time period.
Explanation:
The index fossils are fossils that are of huge use for the scientists of all fields when it comes to the Earth's history and its reconstruction. These fossils have this name because they are good indicators about a particular time period. The scientists are able to determine a geological period without even examining the layers, but just by simply finding these fossils.
There are several characteristics that make the index fossils special. They are found over very large area. Not just that they are found in lot of places, but they are also abundant. They existed only for a limited time period, thus being good indicator of a particular geological period. They are easy to distinguish from the other fossils.
The fossils can be divided into five main categories:
- trace fossils
- molds and casts
- petrified fossils
- carbon films
- preserved remains
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Answer: his belief in separation of powers led to the three branches of government established in the united states constitution.
Explanation:
Answer:
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Answer:
The Lone Star state is often divided into four regions: the Gulf Coastal Plains, the Interior Lowlands (also called the North Central Plains), the Great Plains and the Basin and Range (or Mountains and Basins) region. Each region has unique landforms and natural features.
the answers is B)Near major metropolitan areas
Explanation:
