Write an essay on ecosystem productivity

Cows and buffaloes release methane gas and pollute the enviornment adding to greenhouse effect. Comment.

Part 1:Then write a two to four page position paper: Is the Three Gorges Dam doing more good than bad?Part 2: Answer the following questions using 2-3 sentences.1. In what ecosystem province is Charleston, SC?2. What is the predominant land-surface form in this province?3. What is the moisture deficit?4. What are the indicator species?5. From what ecosystem province do you come?6. If you were to walk NW from Charleston and arrive at the Great Lakes, through what ecosystem provinces would you pass?7. What is the difference between an ecosystem and a biome? Why might someone find it more useful to use the concept of ecosystem or ecosystem provinces as shown here? Describe a situation in which it might be more useful to use the concept of biomes.

Sequence energy flow through ecosystem

How does matter move through an ecosystem?     flows     cycles

Give an account of energy flow in an ecosystem.

Write a lonintroduction about Renewable Energy Systems

Define ecology. Why is the ecosystem important to humans? What value does nature have?  give answer for all please asap

Answer clearly