The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion. Green plants remove carbon dioxide from the atmosphere by photosynthesis. Living organisms - including all plants and animals - release energy from their food using respiration.-BBC.CO.UK
The answer is once underwater.
Answer:
vAccording to one data set, the average American has has an ecological footprint over four times larger than the global average.
The answer is Fatty Liver
