I will give brain list for who solve this question it has already 11 points

f is prop to m1xm2 double m1 double force

do you have a formula possibly

i think it would be 5

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.