- Are these two sentences right?
The Republic of Poland has great scientific potential, therefore Warsaw is a world educational center. Students from all over the world study at the city’s many universities.

Question

- Are these two sentences right?
The Republic of Poland has great scientific potential, therefore Warsaw is a world educational center.  Students from all over the world study at the city’s many universities.

Answer

Thank you, Miss Haddock! Have a nice day!

Answer

I would make them into three sentences. 
The Republic of Poland has great scientific potential. Therefore, Warsaw is a world educational center.  Students from all over the world study at the city’s many universities.

Evden çıkmadan dil öğrenme fırsatını kaçırmayın. Deneyimli dil eğitmenlerimizden oluşan seçkimize göz atın ve ilk dersinize şimdi kaydolun!