B. because the match contains phosphorus, and it is unlit, so it has chemical POTENTIAL energy
Answer:
Typically in mammals, the gender of an organism is determined by the sex chromosomes. In the case of humans, this happens to be the X and the Y chromosomes. So as you may recall, if you are XX, you are female. If you are XY, you are male.
I think what they rely on is there experiment and how they do it