C. both genetic and environmental factors.
Answer:
See below
Explanation:
Sperm has digestive enzymes called acrosome to digest into the first layer of the cell
Sperm has an elongated shape making it faster to reach the egg
fallopian tube
Human fertilization is the binding of a human egg and sperm, usually occurring in the ampulla of the fallopian tube. The result of this is the production of a zygote cell or fertilized egg.
Zygote cell
After about 6-12 days the fertilized egg travels to the uterus and attaches to the uterus in a process known as implantation. The egg is pushed back towards the uterus by the cilia. The egg must attach to the uterus to become a viable pregnancy.
Photosynthesis is your answer :)))
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