First of all, it's not exactly clear what is "normal" - this changes from generation to generation and for example the traditional family used to be considered "normal" but now all other kinds of families are normal too.
Second, there is typically a big generational difference between family members, so it's hard to say that they function "as a whole"
For these reasons I don't think this statement is true.
The answer would be A. Retrieving
The used there engineering skills to control water flow to bring fresh water in
Young tommy is approximately three months, by three months, he plays with his fingers and looks at his hands. By three to four months, he can grasp an object. Baby’s touch is developing, how their coordination is improving and what you can do to help development.
