Explain what happens to the light ray when above and below the line are both water

nah.   i'm just sleepy.

+15-35=-20

going in opposite directions

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.