Hi Suki 1: carbon dating is used by archaeologists to date the age of an object - taking a sample and doing scientific things to it in order to ascertain what period in history it belongs to.
Ta Mariecat, I was just about to explain my very naughty comment re Tova. I acually quite like her for some strange reason, supose it's because she's so 1970's which reminds me of being a little girl.