You have to give me the full sentence or just ask the question better so I can help you
Answer: As the plates diverge lava pushes through the mantle, cools and forms a new section of crust.
Explanation: Plates moving slowly along side each other create friction and intense heat as they slide resulting in volcanic activity if the rock melts. Earthquakes can occur if the plate slips sliding away or towards each other.
population exceeds with birth exceeds death
Well, Alaska has one, (Kenai Fjords, excellent place) there are plenty in Norway, if that's what you're asking.
Answer: An example of a closed economy would be North Korea
Explanation: A closed economy is a self-sustained economy with no trading or business relations with any other economy outside it. A closed economy has little exposure to the outside world.
A closed economy can almost always be described as a command economy
Often, the more closed an economy is, the poorer the country.
