You own 300 acres of patchy temperate forest. Which one of the following actions would increase the net primary productivity of the area the most?

Which of the following consume other living organisms?

Why are changes in the global carbon cycle important?
I. Burning reduces available carbon for primary producers and, therefore, primary consumers.
II. Deforestation and suburbanization reduce an area's net primary productivity.
III. Increasing atmospheric concentrations of carbon dioxide could alter Earth's climate.
IV. By using fossil fuels, we are destroying a nonrenewable resource.