State the factor that is limiting the rate of photosynthesis in region x of the graph

I’m stuck on this question cuz i’m stupid sksksksk

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.