Best defines volume
a) the amount of matter in a substance
b) the shape of a sample of matter
c)the amount of space that a sample of matter takes up
d) the way that a substance atoms are arranged

what is the actual question though?

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.