Earth���s inner core is solid because of
a. the composition of its rock.
b. its great diameter.
c. extreme cold.
d. immense pressure.

Witch layer of the atmosphere has the most air pressure

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

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?