Which would best allow a species to survive environmental changes? O A small population VE O B genetic diversity C. similar physical features 0 D. Iow mutation rate​

According to the article, what valid claim came from the national research council? there is no association between fluoride exposure and increased cancer risk in humans. there is a possible link between fluoride exposure and increased cancer risk in humans. there is a definite link between fluoride exposure and increased cancer risk in humans.