Question 11 MarkBiogas is a form of manure obtained from biodegradable waste.AnswerSELFView full question & answer→
Question 21 MarkEgg shells are examples of biodegradable waste.AnswerSELFView full question & answer→
Question 31 MarkNon-biodegradable waste can be decomposed by microorganisms.AnswerSELFView full question & answer→
Question 41 MarkDisposing all types of waste together in garbage bins is harmful for the environment.AnswerSELFView full question & answer→
Question 51 MarkA plastic bag and a paper bag will take approximately the same time to decompose.AnswerSELFView full question & answer→