Explain how the illustration above demonstrates mechanical energy.

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.

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.