The answer is 6 according to my reaserch 6 nutrients are essential to the body. It helps build up your health with mainly 6 main nutrients
I disagree it should be A
Answer:
An intrauterine device, also known as intrauterine contraceptive device or coil, is a small, often T-shaped birth control device that is inserted into the uterus to prevent pregnancy. IUDs are one form of long-acting reversible birth control.
Photosynthesis is the answer