Which of the following statements is true, based on the data in the chart above? A.
Niger has twice as many births as deaths per 1,000 people, but the life expectancy is only 52.6, resulting in a young median age.
B.
Niger’s life expectancy is only 52.6 years; therefore, the country must have a young median age.
C.
Niger has more deaths than births per 1,000 people, resulting in a young median age.
D.
Only 16% of Niger’s population lives in urban areas, limiting access to quality healthcare.

Ageologist is working in an area with exposed sedimentary rocks and finds a well exposed sequence of stratified rocks. as he works through a thick sequence of limestone, he sees abundant large clam fossils that produce an interlocking texture suggesting a reef, but within the limestone section these clams disappear and the overlying limestone is made up primarily of fragments of corals. he now moves 50 km away and finds limestones interbedded with shales, and the limestones contain the same clam fossils he had seen previously 50 km away. as he continues through this section, the rocks become entirely limestone, and the clams disappear again with coral fossils above forming a reef structure. he concludes