Under which economic system are businesses privately owned, with the possibility of profit?

Atsunami usually is the result of a. a nearby underwater earthquake. b. the winter monsoons. c. seismic activity in the eastern pacific ocean. d. hurricane-force winds.

How does the parallax of a nearby object compare to that of an object farther away?

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts