Their economy will do better with the oil wealth. however conflict may get worse within the southern part of Russia, since that part is already ethnically diverse and want to get away from Russia <span />
Answer: A. Beyond
Explanation:
The prefix extra in this contest means beyond. That means that a beyond solar planet is outside solar and something that is beyond terrestrial which means something outside of Earth.
B, C, and D are incorrect answers because they are not fitting into the context of the sentence.
Longer life expectancy, along with a low fertility rate, has resulted in a rise in the country's elderly population. As a result, the workforce in the city state is quickly diminishing, putting economic strain on the region. Singapore's workforce is increasingly aging. Employees over the age of 50 will be the fastest increasing group between 2016 and 2030, with their numbers expected to climb by 55 percent, accounting for 40 percent of the workforce.