The missing word in the statement above is: life satisfaction. Most middle-aged adults list life satisfaction as the most important factor in happiness. According to the experiments related to life satisfaction, people become older because they become wiser and more knowledgeable and they begin to see that life would be better. This is based from the psychologists, Yuval Palgi and Doc Shmotkin.
Are there answer choices? if not a possible answer is in Roanoke Island, near North Carolina
I think because they do not get along because cats only catch rats and/or mouses and the rats and mouses don't like it
