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Why did you need to calculate the water loss each day instead graphing the total amount of water lost each day?
Wiki User
∙ 12y ago
You needed to graph the percent water loss each day instead of the total amount of water lost each day because the original plants could have been of different mass in the beginning. You can't compare the amount of water because the plants are not identical, so these numbers aren't proportional by default.
example:
Plant A is 24 g.
Plant B is 36 g.
Both plants lose 10 g of water.
Plant A becomes 14 g.
Plant B becomes 26 g.
Therefore,
Plant A lost 10/24, while Plant B lost 10/36. They didn't actually lose the same amount proportionally, so you have to change them so that you can compare the data accurately.
Hope that made sense!
Wiki User
∙ 12y ago
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Why did you need to calculate the percent water loss each day instead of graphing the total amount of water lost each day?
This can give a more realistic view of what is happening. A few gallons might not mean a lot in a huge lake, but by percentage it might be more.
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