1. As income rises, the number of children in a family tends to ___ due to the ___ effect

a. rise, income

b. fall, income

c. rise, substitution

d.fall, substitution

2. According to the article "China's Population: Peak Toil" what notable event occurred in China in 2013?

a. Chinese growth rate accelerated to a rate not seen in years

b. Chinese growth slowed to a rate not seen in years

c. the population shrunk for the first time

d. the number of working age Chinese has started to decline

3.According to the article "Fighting Poverty in Emerging Markets: The Gloves Go On," which country was the most efficient in reducing poverty?

a.Brazil

c. China

d. Mexico

e. India