If a sperm cell succeeded in reaching an egg cell. where does this take place

A sperm cell can succeed in reaching an egg cell anywhere along the female reproductive tract. It can happen in the Fallopian tube, the uterus, or even in the vagina during menstruation. This does not always result in pregnancy, as a successful pregnancy requires many different factors.

In the air and in the lower fre ah water

Ican not answer this question since it does not have enough information