Which of the following is a characteristic of an index fossil?
A.
The fossil is found only...
Which of the following is a characteristic of an index fossil?
A.
The fossil is found only in an isolated part of the world.
B.
The fossil organism must have lived during a long span of Earth's history.
C.
The fossil must be found in great numbers.
D.
The fossil must look like many other fossils.
Answers: 3
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The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?
Answers: 1
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The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.
Answers: 1
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