When selecting a primary source, it is important to A. determine its authenticity. B. create your own bias. C. exclude oral interviews. D. find a secondary source to back it up.

5elections for representatives to the u.s. house of representatives are held every two years. elections take place in november, and there is usually one republican candidate and one democratic candidate on the ballot. how are candidates chosen to appear on the ballot?

Journey stations were established throughout the mongol empire every miles.

There are 25 elements found in living things. how many of these elements are found in some organisms but not all? 1 , 6 , 19 , 25