Совокупность условий среды,прямо или косвенно действуют на живые организмы называют а)экологические факторы б)абиотические факторы в)биотические г)средой Обитания

сколько грамм осадка образуется при взаимодействии хлорида магния и 56г 10%  раствора гидроксида калия 
  Ar(K)=39   
  Ar(Mg)=24 

помогите!! напишите как читается..по-русски. перевод не нужен.   например: learning - Ленинг..........................................................

The United States stretches from the Pacific Ocean to the Atlantic Ocean, which wash the country in the west and in the east. Long mountain chains run down the Pacific coast. In this part of the country is Death Valley, the lowest place in North and South Americas. Here, too, is the Grand Canyon which the Colorado River made millions of years ago. In some place it is about 6 km deep. Farther east lie the tall peaks of the Rocky Mountains that run from Canada to Mexico. Beyond them stretch the Great Plains where the mighty Mississippi River flows. Another mountain chain, the Appalachians, runs down the eastern part of the US. The USA borders on Canada in the north, where the five Great Lakes are situated, and Mexico in the South.