Friday, September 25, 2009

blog post #4-9/24/09


1. How can scientists tell the age of a tree by looking at the rings? Explain what that means.
Scientists can tell the age of a tree by seeing that the rings toward the center are older then the ones toward the outside.
2. How/why would this be useful?
This is useful by knowing how long this tree has been here for and to show if it a different type of tree.

3. Is this an example of relative or absolute dating?
This is an example of absolute dating.

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