In the 1960s, a form of protest known as a teach-in typically involved groups participating in speeches and debates. included students occupying university buildings. included a large group marching down public streets. involved draft dodgers burning draft cards.

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.

the punishment for breaking the law would depend on the conditions or the seriousness of the law being broken, if he or she breaks the law while doing some great discovery or invention then it would classify as a scientific fraud. there are other words to describe the crime but scientific fraud would be the harshest one.

the puritans were a group of people who grew discontent in the church of england the common unity strengthened the community.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.