Knowing the meaning of the words constructive and criticism, we would never put the two side by side.
Multi tasking is an illusion.
The minimum level of knowledge permits you to obtain a license and begin to practice on the public. Why?
Science is on both sides of the well water contamination question.
The answer to the question is in the contingency and the question is always: Who is doing what, by when, and if not, then what?