The proof that the earth is rotating is the happens of night and day also the seasons, eg. winter, summer, autumn.
<span> One </span>volt<span> is </span>defined<span> as the difference in electric potential between two points of a conducting wire when an electric current of one ampere dissipates one watt of power between those points.</span>
I am pretty sure it’s B (carbon dioxide)
They both provide a range of years of an object. I think. They’re just 2 different ways to tell the age of fossils or rocks
