<span>And igneous rock sample is about 250,000 years old. Would you use uranium-lead radiometric dating to find its age?
Yes, wikipedia says "</span><span>It can be used to </span>date<span> rocks that formed and crystallised from about 1 million years to over 4.5 billion years ago with routine precisions in the 0.1–1 percent range.</span>"
Therefore, 250,000 years can be compared
Answer:
Concentrated in the south
Explanation:
More than 75% of the Canadian population lives in urban centers, and all cities with more than 200,000 inhabitants are no more than 50 km from the United States border. The coastal zones of the Atlantic provinces, east of Quebec and the Saint John's river valley, have the highest population density.
Depende do que você quer saber. Perigos naturais ou algo assim