Question: What is the absolute dating technique that compares tree-ring growth patterns?

This absolute dating method is also known as dendrochronology. It is based on the fact that trees produce one growth ring each year. Narrow rings grow in cold and/or dry years, and wide rings grow in warm years with plenty of moisture.

What technique compares tree-ring growth?

Scientists put all of the visual clues to work in a technique called crossdating. This technique compares growth rings from live trees with those of much older dead trees in the same area.

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