Answer:
lysosome takes over the reproductive mechanism, resulting in cell damage or death
Those are really wacky answers to choose from. It isn't B.They are usually man made. It's not C. we still need to be careful. It is not D. It is always your responsibility for whatever you do. It shouldn't be A, but that would kind of make sense. I would choose A.
-the burning of fossil fuel
-natural events
-waste in landfills
-agricultural activities
-mining operations
-etc
About 50 percent of all new cases of STIs worldwide occur in people under the age of 26. This is normally caused by; having unprotected sex, tattooing/drugs, sharing of needles used for piercing, becoming sexually active at a young age, having multiple numbers of partners, and previously having acquired an STI.