It's either A or C if you need more information on why just ask it's kinda weird to explain
Answer:
Global warming is the long-term warming of the planet’s overall temperature. Though this warming trend has been going on for a long time, its pace has significantly increased in the last hundred years due to the burning of fossil fuels. As the human population has increased, so has the volume of fossil fuels burned. Earth has experienced climate change in the past without help from humanity. But the current climatic warming is occurring much more rapidly than past warming events.
The Testes are responsible for the production of sperm. The Epididymis is the next stage of sperm production and utilization; and is used for storage of sperm. The seminal vesicle, at the end of the Vas Deferens as the sperm is about to be ejected produces a substance that increases the motility of the sperm. The last organ to contribute to the sperm would be the Prostate, which provides nourishment to the sperm