This is called distress (the opposite, eustress, is the opposite).
Answer:
D provide important services
Answer: Mongolia
The capital of Mongolia, Ulaanbaatar, lies about 726 miles northwest of Beijing, the capital of China. Ulaanbaatar is the largest city on Mongolia, with a population of over 1.3 million people, almost half of the country's population. It is the country's cultural, industrial and financial heart.
The correct answer is : consumer behavior
Consumer behavior refers to how the consumers will behave in order to get their own personal satisfaction.
consumers tend to be more consumptive in their behavior if they were categorized as "high earning individuals" , since they have more disposable income in their pocket
I think the answer would be B, because our world could become overpopulated, which is very likely.
Hope I helped!
~Mschmindy