Hair color, eye color, height, and even some disorders such as schizophrenia
The normal cervical dilatation rate in a first-time mother is 1.5 cm per hour. Dilation in a "multip' is about 1.5 cm per hour. Cervical dilation is the opening of the cervix, the entrance to the uterus, during childbirth, miscarriage, induced abortion, or gynecological surgery, it may also occur naturally, or may be induced by surgical or medical means.
Number of ......... protons!
Answer:
a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.
the self-sustaining fission reaction spread by neutrons which occurs in nuclear reactors and bombs.
a series of events, each caused by the previous one.
"an article in one publication sets off a chain reaction in the media"
Explanation: