Please help with a, b,c, d!

For my health class we were given a bunch of pictures of pregnancy tests for extra credit we have to say if they’re negative or positive. i can’t tell if this is a shadow or if it’s a faint positive

Asubstitute is standing at the halfway line waiting to enter the match at the next stoppage of play the ball has gone over the touchline for throwing and referee allows for the substitution to substitute wants to take the throw-in does the substitute first have to enter the field of play before being allowed to take the throw-in

15. there has been growing public concern regarding the ethical conduct of healthcare professionals. think of a time where you, someone you know, read about or seen on television was in a healthcare facility in a difficult situation and there was poor ethical conduct amongst the healthcare professional(s) where the patient had to pursue litigation. as a healthcare manager, what actions would you take to prevent or resolve ethical dilemmas encountered by healthcare professionals?