* What factors - such as latitude, elevation, and mountain barriers - affect the climate of that continent?

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

Which outcome is not caused by gravitational forcea. gas and dust come together to form a planet b. planets orbit a star c. two atoms come together to form a molecule d. stars cluster to form a galaxy

All of the following occurred due to the invention of the railroad except