A. One image in one column
\begin{figure}[t]
\centering
\includegraphics[width=8.5cm]{A.PNG}
\caption{This is an example of a figure placement. This is}
\label{fig:A_PNG}
\end{figure}
B. Two images in one column
\begin{figure}
\centering
\begin{subfigure}[b]{0.24\textwidth}
\centering
\includegraphics[width=\textwidth]{A.PNG}
\caption{abcd}
\label{fig:A_PNG}
\end{subfigure}
\hfill
\begin{subfigure}[b]{0.24\textwidth}
\centering
\includegraphics[width=\textwidth]{B.PNG}
\caption{efgh}
\label{fig:B_PNG}
\end{subfigure}
\caption{This is an example of a figure placement. This is}
\label{fig:AB_PNG}
\end{figure}
C. Three images in one column
\begin{figure}
\centering
\begin{subfigure}[b]{0.15\textwidth}
\centering
\includegraphics[width=\textwidth]{A.PNG}
\caption{abcd}
\label{fig:A_PNG}
\end{subfigure}
\hfill
\begin{subfigure}[b]{0.15\textwidth}
\centering
\includegraphics[width=\textwidth]{B.PNG}
\caption{efgh}
\label{fig:B_PNG}
\end{subfigure}
\hfill
\begin{subfigure}[b]{0.15\textwidth}
\centering
\includegraphics[width=\textwidth]{C.PNG}
\caption{ijkl}
\label{fig:C_PNG}
\end{subfigure}
\caption{This is an example of a figure placement. This is}
\label{fig:ABC_PNG}
\end{figure}
