problem1. prepare a short note on the term the Bruntland Report.
problem2. prepare down the three components of Sustainable development.
problem3. What is the importance of involving citizens thoroughly when environmental problems in an area are addressed?
problem4. Differentiate between a pyramid of numbers as compared to a pyramid of biomass and a pyramid of energy.
problem5. List the limitations of ecological pyramids.
problem6. What are biogeochemical cycles? Give two exs.