वे पदार्थ जिन्हें प्राकृतिक प्रक्रियाओं द्वारा विघटित नहीं किया जा सकता है: , Those substances that cannot be decomposed by natural processes are:

A. खाद ( Composting)

B. अजैव निम्नीकरणीय पदार्थ (Non-biodegradable substances)

C. कृमि खाद (Vermicomposting)

D. बायोडिग्रेडेबल पदार्थ ( Biodegradable substances)

Correct Answer :

B. अजैव निम्नीकरणीय पदार्थ

Explanation

Those substances that cannot be decomposed by natural process, or if they can than the process is very slow are non-biodegradable substances.