What is the most widely observed religion in europe

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called

Mosses, lichens and shrubs can be found where in russia? a.grasslands b.mountain regions c.coastal plains d.siberian tundra

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )