Answer:
It's is South Atlantic Ocean
So, Ocean is the correct answer
North Korea is a socialist economy, meaning the state (country’s government) runs economic and social affairs. It is also a dictatorship government where President Kim Jong-un is the leader with full power. He is head of government and runs the socialist economy.
The molecules in hot air are moving faster than the molecules in cold air. Because of this, the molecules in hot air tend to be further apart on average, giving hot air a lower density