Question

Pub quiz question 3615 by pjh2
  1. Question: Q: Jul '11, Norwegian scientists have discovered that tree rings can be an inaccurate guide to climate change - what sort of natural phenomenon do they say makes them inaccurate?
  2. Answer: A: Grazing herbivores (sheep)
  3. Categories: Current Affairs (6) Science (6)
  4. Times used: