You didn’t upload a picture of the graph!
Europe has a big number of immigrants, so I would say: most probably all of the religions of the World are represented in Europe to some extent.
On a country level, Christianity (both catholicism and protestantism, in the east also the Orthodox Church) is the main religion, and until WW2 Judaism was also very prominent. Now Islam is growing in numbers, due to the immigration.
Albania and Bosnia are predominantly Muslim.
Jesus preached to the people of the world and his disciples. He wanted his word to get out to gentiles and others around the world.
I believe the answer is: plasticity
Value of plasticity refers to the quality that obtained by a certain individual after performing a same task over and over again. This value is basically held by all living organisms, which buried deep in brain and most commonly recognized as survival instinct to adapt to the environment around us.
Georgia ...........................