1. First Stage: Dilation and Effacement of the Cervix
a. early phase
b. active phase
c. transition phase
2. Second Stage: Pushing and Birth
3. Third Stage: Delivery of the Placenta
He was the first to provide an explanation of evolution supported by evidence.
Answer:they monitor it through a modern system machine, it's important because we need to know the population we have.
Explanation: which means are we increasing it reducing in our population