An agricultural worker is picking fruit on a day when the air temperature is 106°F. Which of the following processes will most likely be occurring while he works?
A. Conduction of heat from the air will be heating his skin surface and raising his core temperature.
B. His autonomic nervous system will be stimulating him to sweat.
C. Blood volume at his skin surface will be increasing to dissipate heat.
D. Radiation from his skin surfaces will be dissipating heat into the environment.