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.
Answer:
true
Explanation:
the dirt particles are too heavy to be lifted up into the air like water.
For me
The more we review/study about a subject the higher the value of our advancement/advantage/grade..
