We'll explore both relative<span> and numerical </span>dating<span> on our quest to understand the... ... Again, this doesn't </span>tell<span> them exactly how old the layers are, but it </span>does give<span> them an ... Fossil succession </span>can<span> be</span>used<span> to determine the </span>relative<span> ages of fossils</span><span>. ... </span>One<span> of the biggest jobs of a </span>geologist<span> is establishing the </span>absolute<span> age, in years,
