I believe it's either microwaves or x-rays
I studied this last year
I need more information to help you solve this.
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.
Answer:
16. option. A And 17 option. B
