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
By having a clean environment and make sure the food is in good conditions as well as following the proper instructions for the meal (ex. washing the fruits)
<span>This looks like something I can handle. Hope this helps (:</span>