Easy: What is the average lifespan of a dog. All efforts are appreciated!! Brainiest to whom is closest to correct and fastest to answer.

i believe it would be the lungs.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .