Animals affect the carbon cycle by... Creating more carbon atoms through cell division
Consuming carbon, reducing the total amount of carbon that exists in the cycle
Releasing CO2 into the atmosphere, increasing atmospheric levels of carbon
None of the above; animals do not affect the carbon cycle

The setting of "Turning Off, Dining In," comprehensively, is our mechanically propelled culture. All the more particularly, the writer was enlivened to compose this exposition subsequent to sitting through a supper with her family in which every relative including herself was occupied by some type of media electronic or paper. I hoped that helped...    :)