The answer is a rod or laser line is inserted into the wound or bullet hole and points to the direction of the shooter.
Be friendly at first with whomever you like, it is easier to get that person as a girlfriend if you have common groind; a friendship so it will be less akward for the both of you then slowly show her things that you like her be able to make her laugh but dont try to hard talk about her to your friends but not on no weird stuff then slowly make your moves like hand holding huggin kisses on the cheek there fore and so on and be protective over her but not possesive you know just show her you care
Answer:
two domains is the answer
That is called MUTUALISM, when both organisms benefit each other.