What are the four human practices that lead to harmful effects of the environment

Overpopulation, pollution, burning fossil fuels, and deforestation.

Cotton with iron probably

Hiv can be transmitted through oral sex. you can get hiv through vaginal fluid and semen. if you have an open sore or cut in or near your mouth and an you get the semen or vaginal fluid of an infected person in those cuts or sores, you can get hiv