Question

Which of the following is an example of positive feedback?

-Abscisic acid (ABA) in plants slows bud growth in cold temperatures.

-An increase in ethylene gas causes fruits to ripen more quickly.

-Taking a tranquilizer slows the speed of signal transmission in neurons.

-Panting in dogs increases the amount of cool air in nasal passages and lowers body temperature

Answer 1

-Panting in dogs increases the amount of cool air in nasal passages and lowers body temperature

Step-by-step explanation:

Answer 2

the last option

Step-by-step explanation:

it is an example of regulating the body's natural conditions