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GROUPS:
Group from Croatia:
Nick Radesic, Petra Flego, Barbara Vratović

Group from Poland:
Emilia Golec, Tomasz Ziółkowski

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GROUPS:
Group from Croatia:
Nick Radesic, Petra Flego, Barbara Vratović

Group from Poland:
Emilia Golec, Tomasz Ziółkowski

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HYPOTHESIS:
We consider that the pH value is not the same in both cities due to the large differences in the size of cities and the greater industrial and higher pollution development.

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HYPOTHESIS:
We consider that the pH value is not the same in both cities due to the large differences in the size of cities and the greater industrial and higher pollution development.

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METHODS:
The Croatian team measured the pH of the water in the river in Buzet, the river is located near the house of one of the girls from the Croatian group, the name of the river is Mirna. The Polish team measured the pH of the water in Głuchołazy (a city in Poland, located next to the Nysa) in Biała Głuchołaska. We measured the water four times and then calculated the average of the results.

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METHODS:
The Croatian team measured the pH of the water in the river in Buzet, the river is located near the house of one of the girls from the Croatian group, the name of the river is Mirna. The Polish team measured the pH of the water in Głuchołazy (a city in Poland, located next to the Nysa) in Biała Głuchołaska. We measured the water four times and then calculated the average of the results.

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RESULTS OF CROATIA:

pH of the river Mirna - 7,5

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RESULTS OF CROATIA:

pH of the river Mirna - 7,5

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RESULTS OF POLAND:
pH of the river Biała Głuchołaska:

First measurement - 7,6
Second measurement - 7,4
Third measurement - 7,8
Fourth measurement - 7,8

Average of measurement results: 7,6

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RESULTS OF POLAND:
pH of the river Biała Głuchołaska:

First measurement - 7,6
Second measurement - 7,4
Third measurement - 7,8
Fourth measurement - 7,8

Average of measurement results: 7,6

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Despite the differences in the size of our cities, in the larger industry and the development of pollution, the pH of the water is almost the same. The hypothesis is not confirmed.

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RESEARCH QUESTION:
What is the difference in the pH value between Buzet and Nysa?

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RESEARCH QUESTION:
What is the difference in the pH value between Buzet and Nysa?

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MIRNA:
Rijeka Mirna is the river in Croatia, the longest river in the Istrian County, 53 km long.  Mirna has a branched source at Hum at 250 m / nv. It runs through flea and limestone. It is populated by the character of the canyon river and up to the buzetic valley at 50 m / nv. After the Buzek Valley, a 200-meter deep canyon stretched out and after the Istrian spit spreads into the valley valley and winding up to the mouth. The main guests are Draga, Rečina, Botonega (Butoniga) and Bračana (Bracan). In addition to these tributaries, there are dozens of torrent intermittent streams, with 17 waterfalls of up to 30 m in height. In addition, the waters are supplemented by three karst springs: Ivan near Buzet, sv. Stjepan at the Istrian thermal springs and the source of Gradola in the lower flow. The Adriatic Sea is located 3 km east of Novigrad. In the lowest part it is salty and sage, because the tidal wave of the sea flows through it.

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MIRNA:
Rijeka Mirna is the river in Croatia, the longest river in the Istrian County, 53 km long.  Mirna has a branched source at Hum at 250 m / nv. It runs through flea and limestone. It is populated by the character of the canyon river and up to the buzetic valley at 50 m / nv. After the Buzek Valley, a 200-meter deep canyon stretched out and after the Istrian spit spreads into the valley valley and winding up to the mouth. The main guests are Draga, Rečina, Botonega (Butoniga) and Bračana (Bracan). In addition to these tributaries, there are dozens of torrent intermittent streams, with 17 waterfalls of up to 30 m in height. In addition, the waters are supplemented by three karst springs: Ivan near Buzet, sv. Stjepan at the Istrian thermal springs and the source of Gradola in the lower flow. The Adriatic Sea is located 3 km east of Novigrad. In the lowest part it is salty and sage, because the tidal wave of the sea flows through it.

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BIAŁA GŁUCHOŁASKA
This is the right tributary of the Nysa Kłodzka River, 54.9 km long and the area of ​​the basin with an area of ​​396 km² (113 km² in Poland). It flows through the Eastern Sudetes, the Głubczycki Plateau and the Nysa Kłodzka Valley in the Opolskie Voivodeship.

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BIAŁA GŁUCHOŁASKA
This is the right tributary of the Nysa Kłodzka River, 54.9 km long and the area of ​​the basin with an area of ​​396 km² (113 km² in Poland). It flows through the Eastern Sudetes, the Głubczycki Plateau and the Nysa Kłodzka Valley in the Opolskie Voivodeship.