Well, usually when you have factors, you say that one factor is more important than another. You weigh them, and if there is a problem, you create a narrative or a story. You identified a problem with one or two factors. Are there more linkages in these factors? Would pesticides, let's say, be impacting the health of the bees, which will then impact their ability to withstand some disease or other issues?
On June 6th, 2016. See this statement in context.