1) Light intensity, temperature, amount of carbon dioxide
2) Point 1: Carbon dioxide is limiting it Point 2: Another factor is limiting it
3) The incverse square law describes the intensity of light at different distances from a light source
Light intensity is proportional to 1/distance squared
4) Light intensity- you could put artificial lamps in so if there isn't enough light the plants can still photosynthesis
Carbon dioxide- put a paraffin burner in the greenhouse and have windows to let carbon dioxide in
Temperature- put screens in the greenhouse so if it gets too hot or cold you can put the screens down to regualte the temperature and put a heater in to give off the right amount of heat so the plants can still photosynthesis
5) This graph is showing the rate of photo synthesis when there is different concentrations of CO2 and different temperatures. In this graph the limiting factor is the concentration of CO2
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