Answer:
The three predominant universalizing religions between the first and twelfth centuries CE were Christianity, Buddhism, and Islam.
Universal religions are religions that attempt to gain conversions from anyone, regardless of race, ethnicity, or geographic area.
A city's population density would decrease (most likely) due to the fact that people would most likely spread out.
Assuming we don't know the speed capabilities of the tractor, the time it would take simply be the rate in miles per hour. It has a direct correlation between speed and time spent, so the miles the tractor needs to plow is unneeded.
Family is coined by our society to consist of parents and their children. Based on our modern day families, we now have couples with no children, couples that form with children from previous marriages, gay couples, etc.
People want to belong, they have a need to identify with others when their "family" at home is broken. We also come to realize that our family unit can be viewed differently in our society.
For instance, gangs consider other members their "family." I don't believe there is a such thing as "normal" family. We all want to belong to a group to feel like we are contributing to our society, whether that be through a "normal" family or a more modern day version of family.
I hope my thoughts provided some insight/ideas.
I believe the answer is...
A magnifying glass will create a larger, virtual image because the glass is made of a convex lens.
