John 1:1
The two most common religious systems in Nigeria are Islam and Christianity.
Buddhism is the most common.
They all have ring systems.
They are all systems
Made of tissue, as all organs are.
+/*
they are all systems
DOS
A society can be called a civilization when they have geographic boundaries, class systems, and educational systems. They must also have some form of common currency and a way to communicate.
All parts of Europe has transportation systems, although they are most common in urban areas.
A sun/star
they are all systems