In active listening, what do you do to obtain information that may be missing from the message

True - developmental disabilities have no cure to this day, but we have found many different ways to them. brainliest

Of that are from eating black  foods or iron supplements. the most common condition causing  it is a bleeding ulcer.  black poop caused by blood indicate a problem in the upper digestive tract.     along with pain, vomiting, or diarrhea is cause to see a doctor right go see a doctor