She lost her son when he was only at the age of 2
Answer:
(D) Environment and Heredity
Explanation:
Hereditary is the transmission of physical and genetic qualities and attributes of parents to their offspring; the biological law by which living beings tend to repeat their characteristics in their descendants. So Susie understood very well that her height is as a result of the gene pass on to her by her parents and that good environment and eating healthy as a kid also contributes to one's physic.
The answer is the paragraph beginning..The MS control the tops.." tops of freight trains.." ..they rob migrants riding the trains.." In order to cross the country in search for her mother, Enrique has to go up against the most dangerous sitiations.Not only has he to cope with gangsters ,but also confront thieves and officers willing to hunt migrants .Nevertheless, after the abandonment that could have caused his addiction, Enrique decides that no action is dangerous enough to keep him away from his mother any longer.