1.

Find the odd man out:1. Photosynthesis, Respiration, Decomposition, Forest Fires.2. Combustion, Corrosion, rusting, formation of ozone, Photosynthesis.3. Biological nitrogen fixation, ammonification, nitrification, denitrification, industrial nitrogen fixation.4. Frog, Owl, Squirrel, Fox.

Answer»

1. Forest Fires

2. Photosynthesis

3. Industrial nitrogen fixation

4. Squirrel



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