Developmental psychology is the study of: a) the language, personality, and emotions of children and adolescents b) the stages of life and the important tasks of each c) progressive changes in behavior and abilities from conception to death d) the role of maturation in the unfolding of human potential.

C) progressive changes in behavior and abilities from conception to death

Explanation: Developmental psychology can be simply defined as a scientific approach that tends to study why and how human beings grow both in behaviors and abilities through out their life span. It puts into consideration the environment surrounding of the person as well as the nurture (the way that person was brought up/upbringing) and how the person has changed right from conception to death. Developmental psychology tries to explain how the feelings and way of thinking as well as behavior changes over the course of time.

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't

the following men who did not in the unification of italy were.

a) giuseppe mazzini

c) alexander ll

the other two men were camilo cavour and giuseppe garibaldi they the unification of italy by yielding territories in the italian unification. in 1861 italy was declared a united-nation state under the sardinian king victor immanuel ll.