Pimples?
blackeads? or white heads
During a sexual inter course which involves a men a women the men releases sperm from the penis head which travels through the woman vagina making it's way up to the egg which is located in the stomach the sperm will then shoot into the egg and stay there after sometime the baby will start to form which usually takes up to nine months and when the nine months is complete the baby is born
OK so basically comparison shopping would be like say you see a phone from one company that is the same at another but one is cheaper than the other you are comparing the prices.