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.

A. Determine its authenticity

Explanation:

abu bakr, was a senior companion and—through his daughter aisha—a father-in-law of the islamic prophet muhammad. abu bakr became the first openly declared muslim outside muhammad's family. abu bakr served as a trusted advisor to muhammad.

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't