Answer:
High birthrate and death rate
Explanation:
A) A large space station that is orbiting around the Earth.
The world’s population is concentrated in certain countries like China most likely because of "<span>the country’s land mass, which is much larger." China is considered as one of the largest nation. They are historically a home of various people around the world. Because of the country's population concentration, they implemented 'one-child policy.'</span>
It is the Gulf of Mexico, an arm of the Atlantic Ocean that stretches from Texas to Florida, and south to Yucatan and Cuba.