Photosynthesis and Respiration are defined to explain how oxygen and carbon dioxide are produced. The process for cycling of matter is clearly explained.

photosynthesis is the process in which 0lants prepare their own food with the help of co2 , waiter, sunlight and most important chlorophyll.

It is the process in which oxygen is used to oxidise the food and release energy .

Hope it helps u

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explanation:

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.