Oxygen and carbon dioxide diffuse in and out of a leaf through the:
a)taproot
b)stomata
c)phloem
d)guard cell

They said i have got a sign of tuberculosis what should i do

What materials must dams have to produce electricity, and what must occur?

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.