1.How can you help in reducing the problem of waste disposal? Give any two methods.
2. List the problems due to non-biodegradable waste produced by us.
3. List the names of any two things that can be recycled.
4. Write the advantage of sewage treatment plant.
5. If you say no to plastic bag then bag of which material you may use and why?
Answers
Answer:
1.Reuse and Recycle
2.Pollution, disturbs the biome of other living organisms
3.Glassware and paper
4.sewage treated plant treats the dirty sewage water and
makes it fit for reuse
5.clothbags and jute bags can be preferred because they are made from naturally occurring cotton and jute from plants. and they are decomposable.
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Explanation:
1.)We can reduce the problem of waste disposal by these methods-
By minimizing the use of disposable items and promoting the use of recycled articles.
Separating biodegradable and non-biodegradable waste before dumping them.
Recycling the non-biodegradable waste material.
2.)Problems caused by the non-biodegradable wastes that we generate are:
1. Clogging of drains.
2. Soil destruction.
3. Death of cattle due to ingestion of plastics.
4. Ecological imbalance.
5. Air pollution.
6. Water pollution.
7. Land pollution.
8. Biological magnification of hazardous substances.
9. Affects the soil fertility.
10. Reduces crop yield.
3.)paper, cardboard
4.)Wastewater treatment systems eliminate disease-causing bacteria and kills harmful organisms. It filters out such contaminants before the wastewater leaves the tank and enters the ground. This filtering process prevents diseases from entering water sources or reaching plants and farm animals.
5.)paper bag, jute bag
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