D. It led to their disappearance from the Americas
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Answer:
D. developmental milestones
Explanation:
Developmental milestones -
It refers to the physical skills , qualities or behaviors that are observed during the growing years of an infant , is referred to as development milestones .
Developmental milestones is also known as specific normative
There are range for every milestone of the stages of developments , like , crawling , walking , speaking etc .
There is some variable age group , where the child leans various activities .
Hence , from the given statement of the question ,
The correct option is D. developmental milestones .
Szasz points to how people have learned the deviant or odd behaviors instead of hidden psychological causes. Seeing as Dr. Szasz felt that psychological underpinnings were of less value than the actual behaviors (i.e., he argued that there were no objective tests for designating a DSM diagnosis), the more important concept to be understood was <span><u>why the person learned to behave as they did.</u></span>
It would affect functions of the muscular system causing movement, posture and generating warmth. skeletal is the framework , protection and red blood cells. in a whole when one system doesn't work properly, your whole body will be affected
