In an institution for delinquent adolescents, a behavioral system has been implemented in which the adolescents earn points for privilege, activities etc. they are also charged tokens for inappropriate behaviors such as staying in bed or fighting. this system is called

a behavioral system that  has been implemented in which the adolescents earn points for privilege is called: Token economy

By giving rewards every time a person conduct a 'correct' behavior, the people in that group would most likely repeat the actions that somehow provide positive benefit for them. The purpose of a token economy is to encourage the members of the group to conduct the behaviors that are seen as 'desirable' by the people that manage the group.

b) the planets year length would be longer

hope this !

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.