80-Her article is a/an ---------- of the methods used in research. 1) discussion 2) instruction 3) competition 4) observation
\textbf{80-} \textbf{Her article is a/an ---------- of the methods used in research.}\\
1) discussion \hspace{1cm} 2) instruction \hspace{1cm} 3) competition \hspace{1cm} 4) observation
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