In this process of fossilization plant leaves, and some soft body parts of fish, reptiles, and marine invertebrates decompose leaving behind only the carbon. This carbon creates an impression in the rock outlining the fossil, sometimes with great detail.This is the most common method of fossil preservation. Minerals fill the cellular spaces and crystallize. The shape of the original plant or animal is preserved as rock. Sometimes the original material is dissolved away leaving the form and structure but none of the organic material remains. For a detailed and illustrated description see.
I read about this in my physical science book.
Friday, February 20, 2015
Monday, February 2, 2015
What is Plagiarism
Plagiarism is an illegal form of copying. It means taking another person's work (without asking) and alling it your own. Plagiarism can be accidental or intentional. Copying an entire essay or story and calling it your own is plagiarism. Copying one sentence wordto word without "quotations" is also plagiarism. Wheather you hand it in to a teacher or post it in your blog plagiarism is against the law in most nations.
Example of plagiarism
- copying and pasting from the Internet and posting somewhere else without proper citation
- putting your name on another person's essay or project
- copying exact wording from another person's text
- using another person's photo, diagram, sounds, or ideas without proper citation
- presenting research in your own words without providing your references
- purchasing another person's text and using it as your own.
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