68 points a student pushes at 40-n block across the floor for a distance of 10 m. how much work has been done to move the block?

conduction, convection, radiation

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.