<span>It would depend on the method of decolorization. The most common one is by using Acetone-alcohol. When your slide are decolorized too much with Acetone-alcohol, cells will appear to be pink since the crystal violet are washed out.</span>
Answer: I guess its to not put waste in the ocean or just pick it up by a team or yourself.
I believe it would be 'D' because reprimand means to rebuke something.