Annie has been running on a treadmill for 40 minutes in an air-conditioned gym. Cathy has been running on paved roads for 40 minutes in high heat and humidity. Which of the following is TRUE?
A. Cathy's body is losing more calcium than Annie's body.
B. Both Annie and Cathy should replace their fluids throughout their workout with carbonated water.
C. Annie's environment promotes evaporative cooling, but Cathy's environment does not.
D. Both Annie and Cathy are at high risk for heat stroke.
Answer: C
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