Radiocarbon analysis allows fossil and nonfossil sources of black carbon and organic carbon to be identified.

I thought it best to slip out quietly though, in case she should mislippen something of what we're gaun to do— …

Tell my page to ask him to walk with you, for you look wretchedly, and to be sure you have been on your knees a long time rubbing that foot, I must say.

Then the conceit of this inconstant stay Sets you most rich in youth before my sight, Where wasteful Time debateth with Decay, To change your day of youth to sullied night; And all in war with Time for love of you, As he takes from you, I engraft you new.