Answer:
FERTILIZATION
Explanation:
Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.
It would be D. because nothing can be 100% you can still get pregnant from all of those things.
hope i helped! :) <span />
Hi Ace22704,
Answer - natural observation
I think this experimental method is a better option because its in a natural environment where the kids dont know whats happening unlike the suveys where you ask them questions which is probably a bad idea because they might feel scared and just change their minds.
It could be either sub or hypo.
