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(d) Radioactive substances
(d) Mango pulp
(b) Nylon
(b) Leather belts
(b) Sri Lanka
Name one non-biodegradable waste which may pollute the earth to dangerous levels of toxicity, if not handled properly
(d) Radioactive substances
(d) Radioactive substances
See lessWhich one of the following will undergo fastest bio-degradation
(d) Mango pulp
(d) Mango pulp
See lessWhich of the following is non-biodegradable
(b) Nylon
(b) Nylon
See lessWhich of the following is biodegradable?
(b) Leather belts
(b) Leather belts
See lessWhich of the following neighbouring countries has better HDI (Human Development Index) than India?
(b) Sri Lanka
(b) Sri Lanka
See less