Does development occur primarily in response to internal (nature) or external (nurture) factors?

For example, a developmental psychologist would study a behavior or emotional response by reducing it to its most simple elements. Second the individual is described principally as a passive-reactive entity. Development does not occur from within the individual but rather is in response to external forces.Explanation:

the ecg findings of an acute anterior myocardial infarction wall include: st segment elevation in the anterior leads (v3 and v4) at the j point and sometimes in the septal or lateral leads, depending on the extent of the mi. this st segment elevation is concave downward and frequently overwhelms the t wave.

explanation:

answer (c) by causing social withdrawal;