B. homeostasis B. regulation
Panting is a phenomena for maintenance of homeostasis in the body. In panting water from the inner moist lining of the oral cavity and pharynx get evaporated. This method of heat loss during hot and humid conditions is applied by dogs and other mammals to keep them cool. It is a kind of heat regulation process. Dogs keep there mouth open so that excess heat can liberate from their body.
If the driver had only consumed the 2 beers as he claimed, he would show little to no signs intoxication. He would be slightly frightened for being pulled from over but he would not be overly relaxed such as being overly friendly with the police officer.
Volcanic eruption. a solidified lava flow will devoid plants of necessary soils in which to grow.