Social mobility is the movement of individuals, families, households, or other categories of people within or between social strata in a society. It is a change in social status relative to one's current social location within a given society.
Answer:
energy has many major resources coming from the sun, batteries, outlets, or even from animal to animal. Energy is important because it is essential to all life and helps the world function (aka the organisms in the world)
<span>He died from acute laryngitis.</span>