alleryWhich method of solid-waste disposal involves digesting biodegradable matter by microbes or earthworms to form humus?
AComposting
BIncineration
CSanitary landfill
DSegregation
Answer & Solution
Correct answer: A. Composting
1. Solid waste is disposed by segregation, sanitary landfill, incineration and composting.
2. Composting digests biodegradable matter by microbial action or earthworms, converting it into humus.
3. Incineration burns non-biodegradable waste, landfill dumps in low areas, and segregation merely separates wastes, so B, C and D are traps.
4. Hence the answer is A.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit "Environmental Management", p.332_
Keep practising Unit 8B: Population Ecology & Environmental Systems
Browse all Unit 8B: Population Ecology & Environmental Systems questions for AP Biology, or explore more Biology topics.
Related questions
Anaerobic respiration in human muscles produces:The semi-permeable membrane of glomerulus and Bowman's capsule, where blood is filtered, iBile DOES NOT contain any digestive enzyme, yet it AIDS in digestion of fats because it:The double-circulation system of mammals means:The respiratory PIGMENT in human blood that carries oxygen is:The opening between vocal cords through which air passes into the windpipe is called:The site of cellular respiration in human cells is the:Xylem transports: