Read the following statements that describe childbirth. what is the correct order in which they occur?
1) the umbilical cord is clamped and cut.
2) contractions force the baby out through the vagina.
3) the placenta and the amniotic sac are expelled from the uterus.
4) amniotic sac breaks and the fluid it contains rushes into the vagina.
a. 2,1,3,4
b. 4,2,1,3
c. 1,3,2,4
d. 3,2,4,1

The correct answer is option B, that is, 4, 2, 1, 3.

Explanation:

Childbirth also termed as delivery and labor, is the termination of pregnancy where one or more babies leave the uterus of a woman by Caesarean section or by passing via the vagina. The correct order in which the childbirth takes place is:  

1. The breaking of the amniotic sac takes place and the fluid present in it moves into the vagina.  

2. The contractions make the baby forced out via the vagina.  

3. The umbilical cord is clamped and cleaved.  

4. The amniotic sac and the placenta are expelled from the uterus.  

the organisms are not adapted to live in some communities or habitats.

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.