Sara, a seventh grader, is eager to respond to questions in class, and regularly raises her hand to respond. however, in spite of her efforts, mr. edwards calls on one of her classmates each time. this process continues for the next two days with the same results. the third day sara sits quietly, not raising her hand. focusing on sara's behavior, the case study best illustrates:

(Lack of) Reinforcement.

Explanation:

There was no positive reinforcement for Sara's behavior which resulted in the extinction of the behavior.

Cheers

there are no options provided but you can choose among the following gender-neutral pronouns: zir, hir, eir, vis, tem, eir.

in the normal course of maintaining a pronoun-antecedent agreement, we could have used the words his or her but since we are also required to use gender-neutral language, we need to replace it with its equivalent gender-neutral pronoun.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.