Question

Why is improper disposal of waste a curse to environment?​

Answer 1

Improper disposal of waste is a curse to environment because it pollutes the environment, air, water, soil and cause harmful effects on living organisms. For example, passage of sewage into water body cause eutrophication, killing of animals and source of water-borne pathogens.

Answer 2

$\large\mathcal\green{Explanation✓}$

Wastes pollute our environment, air, soil and water, and cause harmful effects on all living organisms.