B, Provide nutritional support to the embryo. It is not D, as the breasts are not part of the female reproductive system. It isn't C because during pregnancy, fetal and maternal blood do not mix. It also isn't D since women do not produce sperm.
Answer:
Compound
Explanation:
It is a chemical compound because it is something composed of one or two elements.
I know that 3 is affected
Stomata acts as a nose for the plant,through which it can respire.Through stomata carbondioxide enters into the plant and oxygen will be released.
