Select the correct answer from each drop-down menu.
What led to health concerns in China?
Blank gave rise to modern cities and job opportunities. People started migrating from rural areas to cities. Overcrowded
cities led to major health concerns, such as the blank
outbreak in 2002.

Which statement describes the central idea of the text? a. while the nigerian government has the wealth to improve the conditions in prisons, they continue to view it as a low priority. b. nigerian prisons neglect the physical and mental health of their prisoners by failing to provide them with basic necessities and services. c. the inhuman conditions in nigerian prisons could easily be improved, but the environment is considered part of prisoners' punishment. d. conditions in nigerian prisons are slowly improving as non-government organizations and citizens are providing much-needed equipment to the prisons.