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Lotte's house

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Amber's house

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Ema's house

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Karla's house

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tools:
-water samples from our taps in house,
-ph reagent,
-amount of oxygen test.

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The quality of tap water in Poland is the best. Better than in Croatia and Netherlands. After Poland, Netherlands has better tap water quality than Croatia. Our hypotesis was wrong. We tought that the water in Poland will be the worst because of the idustry. But it has the best quality! Then we said that Netherlands will have the best quality of tap water and its true. Croatia has the worst quality, but we thought that they will have the best.
Our result is that independenly from which country, place and time we are mesuring water, the results would be almost the same!

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Graphics of data

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Tables of data

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Paulina's house

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Magda's house

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A. We measured water from taps in our houses. Suburbs (Magda🇵🇱, Amber🇳🇱, Ema🇭🇷) and centrum of the city (Paulina🇵🇱, Lotte🇳🇱, Karla🇭🇷)
The weather and landform are not important, because we did our water measurements from taps in our houses as we have written on the beginning.
B. Every country collected 4 samples, 2 from suburbs and 2 from centrum
of the city. Polish group did measurements on 18th and 24th of
January, Croatian group did measurements on 20th of January and 15th of
February. Group from the Netherlands did their measurements on 23th and 27th of January. We measured amount of oxygen and pH of tap water with the
reagent. After our measurements, we entered results into the
protocols we received from our geography teacher. After this,
we gave our results to our friends from Croatia and Netherlands.

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The tap water from the suburbs will have better quality than tap water from centrum. The tap water from Buzet (Croatia) will have the best quality, because this town doesn’t have a lot of industries and it’s small. The tap water from Rotterdam will have middle quality, because it has a lot of industries, but the Netherlands has many of ecological projects which care about the environment. The tap water from Nysa (Poland) will have the worst quality because, this city is between Buzet and Rotterdam in comparison of the square kilometers, but it also has a lot of industries. However, Nysa doesn’t have that many ecological projects like Rotterdam has and that’s why Nysa will have the worst quality of tap water.

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How does the industry affect the quality of tap water in different parts of the city? (tap water from: centrum of the city and suburbs)

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Poland🇵🇱 Magdalena Maroszek, Paulina Sałęga
Netherlands🇳🇱 Lotte Harmsen, Amber Balesar
Croatia🇭🇷Karla Jakac, Ema Bauer