Answer: B
Explanation: the bond that a mother and infant form is a bond that could and should last a life time. The bond is how the child knows who its mother is from birth verses everyone else around the child.
Two examples would be: great depression and world war 2
Answer:
Best friends for life
Explanation:
i don't know if you mean something else
Answer:
This forms a geometric figure on the surface plot and is called an infinite cone. Take a look at this figure: