What do tree rings tell in long-term climate study?
Answer and explanation
Correct answer: Past indicators of temperature and moisture
Annual tree rings preserve information about the conditions in which a tree grew. Ring width, density and chemical composition can reflect temperature, moisture availability, drought and other stresses. By comparing ring patterns across many trees and dating them, scientists reconstruct aspects of past climate. Tree rings are proxy records, not direct thermometers, so they must be calibrated and interpreted carefully.
Frequently asked questions
What is the correct answer to this question?
Past indicators of temperature and moisture
Why is this the correct answer?
Annual tree rings preserve information about the conditions in which a tree grew. Ring width, density and chemical composition can reflect temperature, moisture availability, drought and other stresses. By comparing ring patterns across many trees and dating them, scientists reconstruct aspects of past climate. Tree rings are proxy records, not direct thermometers, so they must be calibrated and interpreted carefully.
Which subject and chapter does this question cover?
This is a Class 12 Geography question. Chapter: World Climate and Climate Change.
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