at the start of the spring semester, marie decides that she will focus more on her physical health. her solution is to start jogging with a goal of running in the annual memorial day 10k. after training for several weeks, marie completed the race but needed to walk for the last mile. what would be the next step for her as an effective problem solving strategy

The correct strategy for training for a specific running distance is to periodically (once a week or so) run that distance as a training run. This is what runners will refer to as a weekly 'long run'. This allows your body to adapt to the greater distance. At the same time, it is important that these long distances are interspersed with shorter and faster runs, as running long distances constantly can cause chronic injuries and tends to make runners slower. 

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The surface carbons would likely become chlorinated to a greater or lesser