1.Which among the following sources of information are written after a event or period of research?

A.primary source B. secondary source
C.teritiary source D.none of the above

2.Which among the following organize source so they can be easily located?

A.primary source B.secondary source
C.teritary source D.none of the above

3.Which among the following are not primary source of information?

A.Original documents
B.empirical scholarly of information
C.teritary source
D.none of the above

pls po pakisagot need kopo ng answer ngayon​