What feature forms over the vent of a volcano when very thick lava builds up?

volcanic neck

flood basalt plateau

lava dome

geyser

The north africian maghreb states, dominated by the atlas mountains, do not include

The longest subdivision in geologic time is

Determine the value of x for the equation |x|=-1/2

A vertical or horizontal line used in graphs is called a (n)

The most common economic system in the world is a closed economy command economy mixed market economy traditional economy.

Which of the following factors was key to the formation of the first civilization in the Nile Valley? A. Nomads acquired more livestock to increase their wealth. B. The region experienced a surplus of food. C.

Most U. S. beaches are shrinking or encroaching on the land rather than growing or moving seaward, so the land of the U. S. is getting smaller, not bigger.

On what continent would you find the place with a latitude of 20° n and a longitude of 0°

Which is associated with mid-ocean ridges? A. rift valleys B. volcanic structures C. extreme temperatures D. mountainous topography

What natural feature of Southeast Asia did Europeans remove to take advantage of the region's resources? plantations forests roadways rice paddies