Answer:
There is a 50% chance their child will have blue eyes.
The answer is eons, eras, and periods.
A period is a basic unit in geology. Two or more periods form an era. Two or more eras form an eon. For example, Phanerozoic is the eon. It consists of three eras. These eras are Paleozoic, Mesozoic, and Cenozoic. Paleozoic is the era that consists of five periods. These periods are Cambrian, Ordovician, Silurian, Devonian, and Permian.
The answer is true because technology we develop today makes powerful medicine in which could help expand life spans. It also helps us cure diseases, injuries, or other life threatening causes.
<span>There is not enough information to make a conclusion.</span>