Which of the following sources is the most likely to contain a problematic bias? a. a textbook about julius caesar written thousands of years after he died b. a chart showing historical trends in the u. s. stock market written by a french citizen c. a biography of a presidential candidate written by the candidate's main opponent d. a letter describing a major battle written by a soldier who is not a good writer settingstools safesearch on

cuban communists pressured the soviet union to place missiles in cuba.

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.