Answer:
<h3>A social</h3>
Explanation:
because that what define the world heath organization
ANSWER IS C
C. The joining of an egg and a sperm
Explanation:
Fertilisation
is the fusion of haploid gametes, egg and sperm, to form the diploid zygote. Note though there can be subtle differences in the fertilization process which occurs naturally within the body or through reproductive technologies outside the body, the overall product in both cases is a diplod zygote
All are possible physical changes
C. anyone who is or has been sexually active