Weekly Blog, 2/29 - 3/4

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Summary-
 This week, we learned about acid rain and sediment. Acid rain in the Gray area may be caused by the logging, oil refinery, city, and toy factory. This is because the logging, toy factory, city, and oil refinery all let out carbon dioxide (cars), as well as harmful gasses/smog (refinery and factory) The logging also causes the amount of green house gasses and other harmful gasses to be released into the air. Trees normally control the amount of these gasses, but with the trees gone, the amount of gasses increases. These gasses and chemicals trigger chemical reactions within the clouds, creating acid rain. Another problem with logging is that logging can cause erosion. When trees are cut down, their roots no longer hold the soil in place, causing the soil to erode into the river. Sediment is also a problem. If the river is murky, fish will be unable to see. This can cause them to starve because they will be unable to find their prey, and it will also cause them to breathe in the sediment. Another thing is that the sediment settles to the ground covering the rocky river bed. This causes the fish to be unable to lay eggs, therefore, lessening the fish population. The sediment in the Missterssippi river may be coming from the farm. In Synchrony city, there is a high demand for wool. Because of this, farmers are allowing their sheep to overgraze. This damages the shrubs and grass, causing the soil to get loose and erode into the river.
SP4 - We conducted experiments to find out how acidic the water is in each part of each river, and also to find out how murky or clean the water is. We recorded our data on a data sheet which we used to try to find the cause of the fish loss. We found that the lower and upper Missterssippi river has a lot of sediment, which we figured was coming from the farm, in it. Many parts of rivers, including the Rafta river area soil runoff, the upper missterssippi river, and the lower rafta river, are all highly acidic. The rafta river may be because of the banks. The banks are made of granite, a non neutralizing material. This problem may be possible to fix by adding/mixing limestone or clay, acid neutralizing materials, into the soil on the banks. We analyzed the data to try to find the cause of the fish dying. Our current, and most likely suspect may be Don Juan Tuno, but it is more likely that everyone and everything is playing a part in the fish dying off.

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