On the shores of the great lakes in canada, what city is/was a steel mill city?

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

How did geographic isolation affect the islands in the australasia ecozobne?

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