Answer:Claudia and Carlos are preparing for a big dance competition. In order to impress the judges they want to add a new move which requires increased flexibility for each of them. In addition to increasing their daily dance practice from 60 minutes to 90 minutes, they begin taking yoga classes three days per week as well.
Explanation:
The answer is Ultraviolet Light
The easiest way for us to obtain a sustainable amount of Vitamin D is by exposing our self to morning sunlight ( which contain ultraviolet light)
Often time, we don't consume enough vitamin D and our body need to get it from our bones, and in order to do that, it need to be activated through enough exposure from sunlght
change in mood,
change in attitude,
change in their character,