i don't know why you're not fair
i give you my love, but you don't care
The answer is (b.) fertilization
The fertilization is the stage where the egg cell or the
so-called ovum fused with the sperm cell which eventually leads the development
of the embryo or the zygote. The Embryogenesis starts when the zygote undergoes
mitotic divisions or also known cleavage process.
The answer is C. plants pull in CO2 and release oxygen