An organism that lives in or on another organism and gets its food from or at the expense of its host
Umm can you be a tad bit more specific?
There is so much you can do to develop your sperm, intake of vitamins, nuts and the right food will definitely help.
Are there answer choices or do you just need an answer?
It would be B. the mixture became warm, as a change in temperature is certain evidence that a chemical reaction has taken place.
