How can people show gratitude to those who act heroically in their own communities?

depends on da type of person like if someone saved me from almost dying ((as an example)) I would be glad I didn't die and I would give dem something special to me or I'll just thank dem and da feeling dat dey saved me will be their reward so I hope dis helps :3

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.