The volume control on a stereo is designed so that five clicks of the dial increase the output by 10 db. how many clicks are required to increase the power output of the loudspeakers by a factor of 100?

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.