How do the points of view differ about Berlin in the exchange of notes reading between the United States and the Soviet Union

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.

a molly pitcher

b martha washington

c betsy ross

it would be a. that is the only one i could think of