Analyze the water level graph that appears. Notice that the y-axis shows the height of the tides, and the x-axis provides the time intervals. The time 00:00 is midnight and 12:00 is noon. Look at the red Water Levels data in terms of a single day (for example, from 00:00 to 00:00), and note the number of high and low tides that typically occur in Woods Hole. Use the data from the graph to complete the following table.

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Ifound the exercise on the internet. attached is the list mentioned above.in order for a compound to be considered optically active it can't have any axis or plan of symmetry. the molecule  shouldn't also  be superimposable on its mirror image.with such considerations, the compounds that are optically active are: -third compound on the first image is optically active; -second and third compound from the second image are optically actives.