How would you make all the blades spin and or reset it to the original settings

by lauching each at the same time

Explanation:

c.the charges if the proton and electron and gravity

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.