пероксид натрия обработали водой

Энергично реагируют с водой со значительным выделением тепла:
Na2O2 + 2 H2O → 2 NaOH + H2O2

Против всех, не вводи людей в заблуждение B4 foot B5 was built (пассивные залог!) B6hadbeenliving (потому что for+в прощедшем времени) B7mostbeautiful (превосходная степень) B8Hasbecame (since) B9 come (every - present simple) B10 shouldnotforget (don't forget по смыслу не подходит)

There are polar opinions on using bicycles in city center. Some people think that it has many advantages while others are sure that it causes problems with transport. These opinions should be anylised and considered attentively because only in this way "the golden middle" could be found
__________ To begin with, it is essentual to take into account all the advantages of using bicycles.The main is ecological aspect.All cars pollute air and they create a buzzing noise which is not pleasant. Bicycles don't have such problems. The second argument for is about free space.Cars need much more parking space rather than bicycles.In the city center using bikes you can get from point A to point B faster than using public transport or car.