D. eat a variety of foods
Answer: The human body is designed to experience stress and react to it. Stress can be positive ("eustress") -- such as a getting a job promotion or being given greater responsibilities -- keeping us alert and ready to avoid danger. Stress becomes negative ("distress") when a person faces continuous challenges without relief or relaxation between challenges. As a result, the person becomes overworked and stress-related tension builds.
Explanation:
The last one Rebecca would like to advice on how to incorporate more nutritious foods into her diet
Cross-training involves all of the above. It involves exercising in a variety different ways in different sports. Hope this helps! :)