How would the water move? If somewhere in the ocean, a mass of cold dense water encounters a mass of warmer, less dense water, what would happen?

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia

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