Amirror forms an erect image 40cm from the object and one third its height where must the mirror be situated

i think the answer is a, hope this is right, that would be my best guess.

2b2t

explanation:

2b2t

k2s for potassium sulphide

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.