Those who hold to billions of years trust that methods such as radiometric dating are reliable and that nothing has occurred in history that may have disrupted the normal decay of radio-isotopes.
Wale wanaoshikilia mabilioni wanaiamini mitindo kama rediometuriki kuwa wa kuaminika na hakuna kitu kimetokea katika historia ambacho kingegeuza ile hali ya kawaida ya kuoza kwa zile atomi zenye uzito kulingo zingine.