Puberty. <span>While puberty involves a series of biological or physical transformations, the process can also have an effect on the psychosocial and emotional development of the adolescent. </span>
Answer:
B. budget cuts at the state level, force schools to do more with less money and resources.
(I'm 90% sure it's B. but it also could be A.)
Active immunity
Active immunity is when something triggers an immunity system to produce antibodies, this something being a vaccine. Hope this helps!