Answer:
1. Sweat makes the body cool off in the heat
2. Shivering in the cold
Explanation:
sweat is a reflex that the body makes to maintain homeostasis. the purpose is to make the human body cooler as if it was water produced by the body. On the other hand, shivering in the cold produced heat made by body movement.
The dog salivating is an example of responding to stimuli
<em>A. Natural Selection</em>
