Which is part of a person's carbon footprint?
O
A. The amount of fertilizer a person uses
O
B. The amount of carbon dioxide absorbed by a plant
O
c. The amount of oxygen a person puts in the air
O
D. The amount of carbon dioxide a person puts in the air

Respuesta :

The answer is D, because carbon footprint is defined by the amount of carbon dioxide released into the air by human activities.