Statisticians studying the health effect of uranium mining on Navajo communities have found other besides miners and mill workers to be affected; birth defects, children's cancer, and altered birth ratios of males and females are much higher in mining than in non-mining communities.

(A) children's cancer, and altered birth ratios of males and females are much higher
(B) cancer among children, and altered male and female ratios at birth are much higher
(C) cancer among children, and altered birth ratios of males and females occur much more frequently
(D) altered birth ratios of males and females, and children's cancer are much higher
(E) altered male and female ratios at birth, and cancer among children occur much more




OA C

Source: Official Guide