Final answer:
Resting is not a risk factor for water intoxication, while low body mass, heat stress, and overexertion can increase the risk.
Step-by-step explanation:
The correct answer is c. resting. Resting is not a risk factor for water intoxication. Water intoxication, also known as water poisoning, occurs when too much water is consumed, leading to an imbalance of electrolytes in the body. Low body mass, heat stress, and overexertion can all contribute to an increased risk of water intoxication.
Learn more about Water intoxication