Darwin explained that evolution occurred by a mechanism called Choose The environment determines the
of
of an organism, which depends on
Chona
that help the organism survive and reproduce

Carbon-14 has a half-life of 5,730 years and most igneous rock is older than that.

The answer is 25.1  wont let me give a short have a nice day?  

Metabolically active means that there are a series of enzyme-catalysed reactions occurring in cells, known as metabolic pathways. liver cells, or hepatocytes, are very metabolically active.