Hi! My name is Ms. McCullagh. I will continue to post nature related photos and videos on this great outlet - thank you, Earthwatch! I traveled with Earthwatch to Maryland to study Climate Change and Fragmented Forests at the Smithsonian Environmental Research Center.

Monday, November 30, 2009

Tree circumference challenge - Congratulations to Roly!

"Isn't the circumference just the diameter times 3.14? The circumference would be 294.8 mm."

Well Done, Roly! You are correct and the first to respond!

Now, where are your responses to all the other challenges I have posted?

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