C) Heat exhaustion involves extreme sweating, while heat stroke involves a lack of sweating.
Explanation:
Heat exhaustion is the forerunner to heatstroke and is a direct consequence of the body overheating. According to Mayo Clinic, heat exhaustion is identifiable by heavy sweating, fast pulse, dizziness, exhaustion, cool, moist skin with silly socks when in the heat, muscle cramps, nausea, and headache
