Consider a wave approaching a barrier with a small hole. what change is the wave likely to undergo as it passes through the hole?

i don't understand is there any other way you can rephrase it plz let me know in the comments and i will do it.

explanation:

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.