Which element has altered the carbon cycle?
<u><em>Human</em></u>
What is the projected amount of CO2 in the atmosphere in 2060 based on the stimulation?
<u><em>604</em></u>
What is the stimulated amount of CO2 int he atmosphere when fossil fuel use is incresed to 3.5%?
<u><em>755</em></u>
Match the process with the description in relation to the carbon cycle.
<u><em>Fish and other-diffusion</em></u>
<u><em>process by which carbon-respiration</em></u>
<u><em>organisms decompose-sedimentation</em></u>
<u><em>how carbon moves-diffusion</em></u>
<u><em>aquatic plant life-- photosynthesis</em></u>
