Q11 What is the main idea of this graph PH The graph ther s the overage OF the ocean over the last 20 8 4 8 3 8 2 8 1 pH 8 0 7 9

Question

Q11 What is the main idea of this graph PH The graph ther s the overage OF the ocean over the last 20 8 4 8 3 8 2 8 1 pH 8 0 7 9 million years of earth hofton PH 7 8 7 7 7 6 Q12 What is the trend show in the graph The graph grand hold down Then goes down extra credit Q15 You will explain the basic idea of each of the numbered items in the diagram after reading through them The diagram shows the natural process of how calcium carbonate shells form under normal conditions Summarize each step to capture the main idea Step 1 Q13 What is the difference between the horizontal line and the vertical line Step 2 25 Q14 Does this data represent an ecosystem in homeostasis or not Explain how you know this Step 3 Ston 4 20 15 10 5 time millions of years before the present Carbon in the water AIR OCEAN sea urchin coral CO 5 calcium CaCO carbonate 1800 1990 E 2008 2050 2100 CO H O 0 H C0s H GO not positivo calcification H HCO 2 bicarbonate 5 1 carbonic acid Ca 3 carbonate 4 calcium

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