Author Question: A 2009 study estimated that 48 percent of the world's population survives on less than ______ per ... (Read 328 times)

lunatika · **on:** Jul 10, 2018

A 2009 study estimated that 48 percent of the world's population survives on less than ______ per day (Population Reference Bureau, 2009).

a. 100
b. 2,000
c. 50
d. 250
e. 2

Question 2

Today we add one billion people to the world's population approximately every 13 years, which comes out to about ________ people an hour.

a. 9,000
b. 200,000
c. 90,000
d. 2,000
e. 900