Interstellar clouds of dust where stars form are known as a) nebulae b) galaxiesc) asteroidsd) black holes

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz

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

In which horizon of soil profile is prevent material usually found