Fact 1: Sweating reduces body heat.

Fact 2: High body heat is necessary for maximum predatory activity.

Given the two facts above, answer the question "What reduces heat necessary for maximum predatory activity?" with the following options: 
- Evaporation
 - energy usage
 - warming
 - sweating
 - fur and fat
 - eating
 - tail fins
 - drinking


 

    sweating     