Which can remove carbon dioxide from the atmosphere?

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. Therefore, planting many green plants would remove carbon dioxide from the atmospheres. Additionally, Efficiency and conservation is among the practices that would reduce the consumption of carbon based fuels such as natural gas, oil coal and gasoline, thus decreasing carbon dioxide emissions. 

Plants and glaciers is your answer

You should never redesign your experiment. try and see what in your experiment you made a mistake on or try and test your experimemt with somebody else. see if they get the right results.

Other organisms can change their behavior to take the place of the plants in the ecosystem.