All of the environmental influences contribute to disease in humans except a) smog. b) global warming. c) radioactive elements such as radon. d) heavy metals such as lead and mercury.

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )