Answer:
It describes an era in history during which lights was hard to come by.
What has a tongue, cannot walk, but gets around a lot?
What becomes too young the longer it exists?
Causes dancing in children when it fills up.
What social media website is a favorite among teens who donβt like to share their bedrooms?
Iβm hard as a rock and as light as a feather. Iβm passed on to one another. Poor people need me and rich people have me.