Explanation:
I think that every answer from your question is correct because the player who will do the serve can stand anywhere to serve the ball but the most important thing is that he should stand behind the end line. Your answers here are referring to that every service is done from the back and that is why I think those are all correct answers.
I hope that this information will help you to recognize the correct answer.
If you have an addiction with smoking I would say vaping
I believe that it creates shocks to try and start the heart up again after a heart attack. (why the sticky pads are put with the heart in the middle)
The unit of energy for nutrients that are broken down is calories
Hope this helped
