Determine the age of a fossil if it had only one eight of its original carbon -14 content remain

Which of the following about topsoil is fake?

What factors britain to become an industrial and commercial power?

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?