Umm I think that it is normal because some people are different then other
Functions of the uterus. Functions of the uterus include nurturing the fertilized ovum that develops into the fetus and holding it till the baby is mature enough for birth. The fertlized ovum gets implanted into the endometrium and derives nourishment from blood vessels which develop exclusively for this purpose.
Answer:
The correct option is A: Standardization
Explanation:
Standardization is a method used in research for gathering and treating participants for a particular study. It is used when the result of one group is to be compared with the result of a second group, and hence each group must be given equal opportunities to succeed. This process is often lengthy. Bob used this sample of children because he wanted standardization.