Why do mountainous regions have a smaller population?

a. governments prohibit humans from living there because of landslides.

b. the cost of building roads is high when compared to other regions.

c. the quality of the soil limits the amount of food that can be grown.

d. mountain regions face environmental problems, making them unfit for living.

Why is immigration so important today?

Residents of moldova are mainly a. russian b. ukrainian c. serbian d. romanian the answer is d. romanian

Although china’s total economic output, measured by gross domestic product (gdp), is third largest in the world, it is considered a developing nation. what is most likely the most important factor for this designation? a. china’s government spends money on things that do not benefit human development. b. china has a large population, so its gdp per person is only modest. c. china has a strong economy but weak literacy and school attendance rates. d. china’s high rates of disease offset the country's economic gains.