What does "your back against the world" mean?

A/an map shows the types of rock and/or sediment present in a particular region. a map that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map. to show the dominant weather pattern in a region over a long period, a scientist is likely to create a/an map. a map has contour lines, which connect points at the same elevation. a map that uses shading to represent rates of violent crime across a state is an example of a/an map.

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.

What was on result of the potato famine