Answer:
The genetic material in the sperm combines with the genetic material in the egg to create a new cell that starts dividing rapidly. You're not actually pregnant until that bundle of new cells, known as the embryo, travels the rest of the way down the fallopian tube and attaches itself to the wall of your uterus.
Explanation:
The scientific method always begins with asking a question
Answer:
Bacteria alike spores come in hand to hand; meaning one can cause the other if not treated properly and in time. Perhaps washing hands with soap for 20 seconds, when coughing cover cough into your elbow and avoid sneezing into the open air; use tissue to hold your sneeze.