Absolute and relative dating ppt Edmontonsex hook ups

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Comparison of measured sea surface temperatures in the Western Pacific with paleoclimate data suggests that this critical ocean region, and probably the planet as a whole, is approximately as warm now as at the Holocene maximum and within ≈1°C of the maximum temperature of the past million years.We conclude that global warming of more than ≈1°C, relative to 2000, will constitute “dangerous” climate change as judged from likely effects on sea level and extermination of species.

Absolute age dating is like saying you are 15 years old and your grandfather is 77 years old.

Radiocarbon dating is based on the fact that a radioactive isotope of carbon( Potassium argon dating is an absolute dating technique that can be used on volcanic rocks.

Radioactive potassium (40potassium) decays into argon over time, so the age of certain rocks or minerals can be discovered by measuring the amount of argon they contain.

Global temperature is a popular metric for summarizing the state of global climate.

Climate effects are felt locally, but the global distribution of climate response to many global climate forcings is reasonably congruent in climate models (1), suggesting that the global metric is surprisingly useful.

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