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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The Middle Colonies are four: New Jersey, New York, Pennsylvania and Delaware.
- The first two NJ and NY, were directly ruled by the English king. This system converts them into royal colonies.
- On the other hand, Delaware and Pennsylvania were propietary colonies. The right of ruling them was granted by the English king to one or several owners.
Answer: It is B. The explanation is down there.
Explanation: Since half of the economy of the 8 countries were successful in earning money, they have created an industrialized country for themselves. Meanwhile, the other 4 unsuccessful countries have lost money and created an unindustrialized country for themselves.
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Answer:
Good choice:
Each city-state had its own form of government.
Explanation:
Athens had a democratic system for a long time, but it wasn´t the only one. There were other city-states with democratic systems, though they´re not so famous as the Athenian model. But most Greek cities had an autocratic form of government, they were ruled by a king, or a tyrant.
Answer:
forming the democratic party
Explanation:
