Positive feedback loops:a. cause a response in the same direction as the initial stimulus. b. move the system further and further away from the set point. c. All of the answer options are correct. d. are activated by a stimulus. e. continue until interrupted or broken by an external signal.

b

explanation:

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.