Which of these statements describes blanche k. bruce? a. the vice president of the confederacy who was pardoned by president johnson b. a congressman from pennsylvania who fought for the passage of the fourteenth amendment c. the secretary of war who was removed from office by president andrew johnson d. a freed slave who represented mississippi as a u. s. senator during reconstruction

The correct answer is D. Blanche K. Bruce was a freed slave who represented Mississippi as a US Senator during Reconstruction.

Explanation:

Blanche Kelso Bruce was an American politician from the Republican Party. He represented the state of Mississippi as Senator from 1875 to 1881 and was the first African American to remain in the Senate for the duration of his term. He was born in 1841, son of a white plantation owner and an African American slave.

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.