Olds can begin to be trusted with an allowance, and they are able to go to school or to friends’ homes alone, go to bed alone, and get up by themselves during the night to go to the bathroom.

6-8 years old

Explanation:

According to my research on child development studies, I can say that based on the information provided within the question the age range being described in the question are children between ages 6-8 years old. This is because in this age range children have acquired enough knowledge to know right from wrong and learn how to make certain decisions in different situations by themselves.

I hope this answered your question. If you have any more questions feel free to ask away at .

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.