Answer the following problems in detail.
problem 1) What do you mean by producers and consumers?
problem 2) Evaluate J-shaped pattern with S-shaped pattern of population growth.
problem 3) What do you mean by detrivores? Give two suitable exs.
problem 4) What are point and mobile sources of air pollution describe with exs.
problem 5) prepare down the name of three methods to dispose off the municipal solid waste. And describe which the best method for disposal of hospital waste is?
problem 6) What do you mean by a solar cell and prepare down its applications?
problem 7) prepare down two merits and two demerits of constructing dams.
problem 8) prepare down the name of two natural and two man-made ecosystems.
problem 9) What are hot spots of biodiversity? prepare down the name of two most biodiversity rich zones of any developing country.
problem 10) For what reason love canal is famous?
problem 11) describe green houses gases and how they cause enhanced global warming? Describe the possible impacts of global warming.