Between the ages of 2 and 7, children enter piaget's stage of cognitive development.

Preoperational Stage

It is known as the preoperaational stage

To sum it up you’ll get in a lot of trouble and even some legal action can be taken

Ifound the exercise on the internet. attached is the list mentioned above.in order for a compound to be considered optically active it can't have any axis or plan of symmetry. the molecule  shouldn't also  be superimposable on its mirror image.with such considerations, the compounds that are optically active are: -third compound on the first image is optically active; -second and third compound from the second image are optically actives.