This is a typical grassland food web. It is also a small picture of an important cycle on Earth: the carbon cycle. Man can impact the carbon cycle in a negative way. What conclusion would NOT negatively impact the carbon cycle.
Responses
A Planting a field of wheatPlanting a field of wheat
B A factory with smoke stacksA factory with smoke stacks
C The local landfill burning trashThe local landfill burning trash
D Paved streets with many cars on the roadsPaved streets with many cars on the roads