St. francis of assisi lived long before the renaissance began. however, his life and works had a great impact on those who lived in europe during the “rebirth” of classical philosophy. what did st. francis's ideas have in common with greek and roman philosophy? a. a man's place in the world was determined at birth. b. there was great value in observing nature. c. it was impossible to understand how natural laws worked. d. family life was more important than money.

there was great value in observing nature

The answer is b

Explanation:

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.