I think its c to that's the best answer
The most credible source in terms of researching the effects of smoking is letter b, research article in a scientific journal. It is because a credible source means that it is valid or could be relied on in which the research article is, because it has been researched and holds validity of which contains proof. Other choices does not correspond to the question for they don't hold any validity or proof in the topic that could be reliable.
Answer:
The kutiyapi, or kudyapi, is a Philippine two- stringed, fretted boat-lute. It is the only stringed ... the style of the kulintang instrument, of which the Sinulog a kinukulintangan; a piece that embellishes the main ...
Exertion maybe?
I think it might be exertion because it seems to fit... tell me if I'm wrong.
Answer:Marketing Specialist
Explanation:the last one hope it helps