Komatiite is a well-known source of copper ore.

What effect do convection currents inside the asthenosphere have on the lithosphere

Why have the birth rates decreased in asia, africa, and south america in the recent decades?

What is one way that a culture becomes established as a recognized entity? A) by occupying the same region and keeping others out B) by recruiting people until it has one thousand members C) by developing a set of traditions that its members

Which of these stopped operating in 2011

Which of the following is an example of nonrenewable resource? Petroleum, sunlight, water, or wind

How did European slave traders acquire most of their slaves

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

How did the Arabian peninsula establish trade routes

Which of the following statements best describes organic city growth? A. An organic city is organized in concentric rings around an epicenter or downtown area;

Is an earthquake kinect or potential energy