The distance between a proton and an electron is cut in half how does the force of attraction change

There would be a great force of attraction since the distance is smaller.

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.