Which of the following is a  bio - degradable waste ?

The waste produced in our houses like kitchen waste, electronic waste, cleaning waste etc. is known as _____________________ .

Which of the following gases can destroy the ozone layer by reacting with it?

What are the three R's of waste management ?

Which of the following is a biodegradable waste ?

Which of the following groups contain only biodegradable items ?

Bacteria are important in sewage wastage because ____________________

Where do Safai - Karamcharis take the garbage after collecting it from dust - bins ?

Which of the following is not an effect of human generated waste ?

The chemical pesticides mix up with soil and water and are absorbed by the growing plants along with water and other minerals . pesticides enter  the food chain at the producer  level and in the process of transfer of food through process of transfer of food through trophic levels, these harmful chemicals gets concentrated at each trophic level.this phenomenon is know as ____________________________