Considering that our best estimates for the age of the universe are only accurate to within 20 million years or so (0.1% relative error), a few dozen millennia here and there doesn’t make any difference.
There are two ways to get clocks to disagree: the twin paradox and gravitational time dilation.
We can finally assess (sort of) the carbon tax in Australia.
It ran for two years from July 2012 to July 2014 and cost Australians nearly $14 billion.
Print our Tenth Grade (Grade 10) worksheets and activities, or administer them as online tests.
Our worksheets use a variety of high-quality images and some are aligned to Common Core Standards.
Like most official statistics the emissions data gets adjusted year after year, and often by 1 – 2%.