Which steps and tools do historians use to do their job

Based on their location in the atmosphere, the layers are able to have their own special characteristics. for example, most weather occurs in the troposphere. what occurs in each of the other layers?

When we organize patterns in order to perceive an entire stimulus rather than just its parts, we are using

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