This country severely restricted the rights of its nonwhite citizens under a policy called apartheid, but since 1994 has made progress towards equality. The country described in the sentence above is .
A.
Kenya
B.
Somalia
C.
South Africa
D.
Sudan

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change