Answers: option b. supplements
Explanation:
Supplements are only needed when you have a special defficiencies on your intake of nutrients on as consequence of an organic disorder.
Healthy athletes who are on a balanced diet are already having all the vital nutrients, needed from their diet.
Athletes with intense activity do need vitamins, carbohydrates and fats which are on the regular diet: fruits, vegetables, carbohydrates and fats. Eating healthy provide you the nutrients your organism needs to obtain energy and create the muscles to perform well as athlete.
The answer is dna sequences.
Yes like the other person said leeches are most likely
