Mandarin chinese is not spoken widely outside of china, yet it is spoken by more people than any other language. what makes this possible? a. mandarin chinese is used when conducting international business. b. china's population is the largest in the world. c. this is not possible. d. all languages spoken in the world are found within the sino-tibetan language family.

Why are fossils of organism's from the phanerozoic eon much more likely to be found than fossils of organisms from any other eon? a. more organisms present during the phanerozoic eon had soft body parts. b. organisms present during the phanerozoic eon were all microscopic. c. more organisms present during the phanerozoic eon had hard body parts. d. organisms present during the phanerozoic eon are the most ancient life forms.

At which point on the diagram do convection currents occur to drive plate movement?

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