Answer:
B - sub-Sahara Africa
Explanation:
this region is already very dry - there has been over grazing of animals - deforestation that speeds up desertfication
Answer:
Considering that the star is less massive than the sun, the smaller mass of the star would provide a less strong force of gravity at any distance, and consequently a lower orbital speed. Thus, the year of the planet would be longer than that of the Earth.
Explanation:
Sure. Argentina. Or Bolivia. Or Uruguay. Or Paraguay. And so on, and so on.
The challenges range from terrorism and violent extremism, to piracy, political instability, elections-related violence, drug trafficking or deadly viruses.
The answer is A) biosphere.