How does the valve on the cooler compare with the switch in an electric circuit?.

the maxium height is 34m/s

there are no components of a physical goal mentioned on the list of choices that you've provided.

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.

third one with arrows on top of each other going the same direction