The penis is the male copulatory organ, so penis is the answer
It is the serous membrane
Throwing a ball is an example of kinetic energy. I do not have any proof or any reasons, but for now I just know that it's kinetic energy. You can also look it up and you'll see the answer automatically. Hope this helps :) If you want any proof, please feel free to ask me thru contact :)
I think it's D because I suppose that 'all its chromosomes' equals diploid
