'O2 animal' presentation slideshows

Table 1-1, p.3

Table 1-1, p.3. N 2. O 2. animal respiration decaying organic matter oxidation. soil/plants plankton. decaying plants & animals. plant photosyn- thesis. CO 2. decaying plants volcanic eruptions animal exhalation burning of fossil fuels deforestation. plant photosynthesis.

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