a boy on a bus was holding a banana with 2Kg and a man throws a bail from a height of 6m find the mass of the earth​

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.