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.
Plants and animals affect neighboring cells directly because
when in terms with the plants, they use their plasmodesmata in which allowed
them to communicate and affect neighboring cells. While the animals use their gap
junctions that is use for them to communicate and affect their neighboring
cells.
Answer: Because scientists often repeat one or more steps several times.
Explanation: The scientific method is described as nonlinear because scientists often repeat one or more steps several times. The correct option among all the options that are given in the question is the second option or option "b".