How are these wastes eliminated?

In which organ of the body the insoluble calcium phosphate is eliminated

Paragraph based question: Read the following paragraph and answer the question based on it. Many waste materials are generated through the various daily human activities. This is called solid waste. If these waste materials are properly disposed of, they can be valuable source of energy. Currently, solid waste is a serious world wide problem as it causes both water and soil pollution. Solid waste is also serious problem from the point of view of economic growth, environment degradation and health. It has posed a serious threat to nature and human habitat because of the air, water and soil pollution it causes. Solid waste generated in the main metro cities of the state is approximately as follows-Mumbai: 500 tons, Pune: 1700 tons, Nagpur : 900 tons. Who creates solid wastes and how is it created?

Paragraph based question: Read the following paragraph and answer the question based on it. Many waste materials are generated through the various daily human activities. This is called solid waste. If these waste materials are properly disposed of, they can be valuable source of energy. Currently, solid waste is a serious world wide problem as it causes both water and soil pollution. Solid waste is also serious problem from the point of view of economic growth, environment degradation and health. It has posed a serious threat to nature and human habitat because of the air, water and soil pollution it causes. Solid waste generated in the main metro cities of the state is approximately as follows-Mumbai: 500 tons, Pune: 1700 tons, Nagpur : 900 tons. How does solid waste pose serious threat to human habitats?

How is Solid Waste classified? OR What are the sources of Solid Waste?

How dicotyledonous weeds can be eliminated from a monocot crop field?

State whether the following statements are true or false. Correct the false statements. In unicellular organisms, waste materials are directly eliminated across the cell surface.

Answer the following question: How are degradable and non-degradable wastes classified? Which things are seen in these wastes?

Write a note on Saytzeff elimination.

Make a survey of the building or area where you live. Categorise the garbage as degradable and non-degradable waste. Approximately, how much solid waste is generated in a week? Make a list of the factors responsible for it.