Explain why gravity changes from place to place. For example why does gravity change in different planets

its a 5.5 n

glad that

a skateboard rolling across the street - apex

there are no contact forces mentioned on the list of choices that you've provided.

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.