Hai everyone whose online classes going on please tell me​

In what year did vladimir lenin and the bolsheviks seize power in russia? 1885 1900 1917 1961

Space is not completely empty. there are small particles in space. what happens when these particles come together?

The devahrime system was created in order to : a. promote the expansion of sikhism in the ottoman empire b. illuminate the influence of christianity in the ottoman empire c. create trade relationships between the ottoman and mughal empires d. provide the ottoman empire with trained professional soldiers