You could drown by such a small amount of water during certain circumstances that doing stuff in or around water alone increases risk of harm. There wouldn’t be anyone that could pull you from the water, do CPR, call an ambulance, protect you and try to keep you warm.
It doesn’t matter if you’ve done it a hundred times, there is always a risk.
Answer:
Perspiration
Explanation:
Perspiration is the not effective way to gauge the level at which your body is working during exercise.
