Answer:
identifying the problem/quesion?
The answer is A.<span> It wants to help prevent the spread of communicable diseases through contaminated water</span>
Explanation:
Warfarin (Coumadin) is used to slow blood clotting. By helping the blood clot, vitamin K might decrease the effectiveness of warfarin (Coumadin). Be sure to have your blood checked regularly. The dose of your warfarin (Coumadin) might need to be changed.