<span>polar, Hadley, Ferrel, polar, Hadley, Ferrel. I hope this helps you.</span>
What's wrong with this setup is the substrate on which you have positioned
the drop is "dirty and unclean" meaning it is not being dampened by
the solution. This action can be corrected by comprehensively cleaning the
substrate where the drop will be positioned.
I believe it’s B I apologize if it’s wrong
The answer is B.
Hope this helps.
