It's easy:

1. Supportive parents listen to you and help you whenever they can

2. Unsupportive parents can be mean and selfish and simply don't care

The spelling "support" is correct.

yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children yes to be supportive of the children

There are a number of ways in which a person could be supportive. This person could be physically or emotionally supportive.

Yes, it is. EXAMPLE: He is a supportive father.