Answer: is the recycling of waste where the recycled material is of lower quality and functionality than the original material
Explanation:
I'm going to say B because the other answers just don't seem to make sense.
Virus culturing because it allows you to take the virus and control it so can put it into a vaccine
She has herpes. Herpes is a virus that remains in your system despite the fact they visual symptoms go away.
Answer:
The male reproductive system: makes semen (pronounced: SEE-mun) releases semen into the reproductive system of the female during sexual intercourse. produces sex hormones, which help a boy develop into a sexually mature man during puberty.