From: Leonard on



On 10/30/09 9:45 AM, in article
b5cdd4d9-314e-4d60-9ec6-fa6690d60d9a(a)d21g2000yqn.googlegroups.com, "Roger
Coppock" <rcoppock(a)adnc.com> wrote:

> [ . . . ]
>> old contain measurable amounts of 14C. The problem here is that vegetation
>> is not the only source of natural CO2 and volcanoes produce old CO2 with the
>> same 14C signature as fossil fuel emissions - notably zip. When you point
>
> Volcano and fossil fuel CO2 has different O isotope
> ratios from vegetation and animal CO2.
>
� So called "fossil fuels" have no relationship
with fossils, animals and/or vegetation.