A 2011 discovery in the Canadian province of New Brunswick uncovered the earliest known plants to have grown wood, approximately 395 to 400 million years ago. Wood can be dated by carbon dating and in some species by dendrochronology to make inferences about when a wooden object was created.
কানাডার কোন প্রদেশে প্রাচীনতম কাষ্ঠল উদ্ভিদ পাওয়া গিয়েছিল?
New Brunswick