Integrated waste management refers to: ☐ the principle of dilute and disperse ☐ national programs of source reduction ☐ proper disposal of household hazardous wastes. waste management techniques that involve reusing, recycling, and reducing ☐ handling problems of household, industrial, and sewage wastes all together.

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.