Which of the Following Statements Most Accurately Describes the South

Which of the following statements most accurately describes the South Asian brown cloud?

A) Although very serious, the Asian brown cloud problem has not affected countries outside of China, India, or Bangladesh.
B) Pollution from the Asian brown cloud is thought to have contributed to premature deaths from air pollution, but to date there is no accurate count or estimate of the numbers.
C) The Asian brown cloud has never affected the United States, although it has moved somewhat over Asia and the western Pacific.
D) The Asian brown cloud results from drought, burning of forests, burning of biomass, burning of coal, and the consequent release of fly ash and toxic metals.
E) None of these answers