By what process do rocks become igneous rocks? a) lithification. b) uplift and erosion. c) contact metamorphosis. d) melting, cooling, and crystallization

The impact of a large asteroid comet with earth has been proposed to have caused the extinction of the dinosaurs. the impact site of this comet is in or near

Because its government strictly controls its economy, north korea has a economy. a. command b. mixed c. traditional d. free market

What is unusual about the iraq mountains ,in spite of their old age?