Which of the following features is found in an insect? a. indeterminate embryonic cells
b. radial cleauage in embryonic cells
c. coelom formed by split in the mesoderm

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.