Objective
hopefully this helps
I believe the answer is: <span>is significantly better than others at performing a certain task
Developmentalist believe that a strong skill set is aquired through repeating a certain action over and over again to the point where that person could perform a certain task in significantly better quality compared to other people.
According to these developmentalists, in order to be a world class expert in a certain thing, you need to at least put 10,000 hours of effort into that task.</span>
To complete the given sentence or statement the first and second answer will be the parents need to worry more about their children's exposure to wood smoke than their exposure to carbon monoxide, if the 2010 study of children in western Canada is accurate.
